Reference:IP1202 DECT System

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This article describes the IP1202/IP1203 DECT system, differences to the IP1200, the migration policy and provides further helpful information.


[edit] Applies To

This information applies to:

  • IP1202, IP1202/4, IP1202/4s, IP1202e
  • IP1203, IP1203/4, IP1203e
  • IP61
  • IP63
  • IP64 (2017 version)
  • IP65
  • Ascom d81/d81ex/d83

It touches:

  • IP1200
  • IP52
  • IP54
  • IP55
  • IP56
  • IP64 (old version)

[edit] Product Availability

[edit] IP-DECT base stations

  • IP1202: Multicell capable DECT basestation offering up to 8 concurrent DECT-channels. Ready for order since April 2012. Order no. 50-01202-001
  • IP1202/4: Multicell capable DECT basestation offering up to 4 concurrent DECT-channels. Ready for order since mid 2016. Order no. 50-01202-002
  • IP1202e: Multicell capable DECT basestation, offering up to 8 concurrent DECT-channels, two external antenna connectors and two included dipole omni directional antennas. Ready for order since Q4/2012. Order no. 50-01202-003
  • IP1202/4s: Singlecell DECT basestation, offering up to 4 concurrent DECT-channels. Ready for order since end of 2019. Work with firmware 13r1sr8 and higher. Order no. 50-01202-010

  • IP1203: Multicell capable DECT basestation, offering up to 8 concurrent DECT-channels. Successor of IP1202. Ready for order since December 2020. Order no. 50-01203-001
  • IP1203/4: Multicell capable DECT basestation, offering up to 4 concurrent DECT-channels. Successor if IP1202/4. Ready for order since December 2020. Order no. 50-01203-002
  • IP1203e: Multicell capable DECT basestation, offering up to 8 concurrent DECT-channels, two external antenna connectors and two included dipole omni directional antennas. Successor of IP1202e. Ready for order since December 2020. Order no. 50-01203-003

  • IP1200: Predecessor of IP1202. Can be ordered until supplies run out. Repair of defective devices was discontinued in 2014.

[edit] IP-DECT Repeater and Antennas

The IP-DECT Repeater for IP1200 and External Antennas can be ordered until 05/2014.

IP1202e/IP1203e includes two dipole omni directional antennas. Directional antennas have to be ordered separately depending on the use case. Following models will be available for order:

  • DualDirectionalAntenna (50-01202-004)
  • DirectionalSingleAntenna (50-01202-005)
  • OmniDirectionalSingleAntenna (50-01202-006)

Refer to this article for more information regarding external antennas on IP1202e/IP1203e.

[edit] Outdoor housings

For IP1202/1203 innovaphone offers two different types of outdoor housings:

[edit] DECT Handsets and Accessories

Current innovaphone portfolio as of August 2022 includes the following DECT devices and accessories:

Current Handsets

  • Entry level handset IP64 (50-00064-001)
  • Advanced level handset IP65 (50-00065-001)
  • Ascom d81ex (50-00081-002) for hazardous environments

Current accessories

  • simple charger (50-00060-001) for both IP64 and IP65 (DC3-UAAA)
  • simple charger (50-00083-019) for d83 (DC3-AAAD)
  • programming device (50-00060-021) for both IP64 and IP65 for administration purposes via WinPDM (DP1-UAAA - same as for Wifi-device IP73, no Firmware Update for the device itself is required)
  • programming device and charger (50-00060-003) for Ascom d81ex for administration purposes via WinPDM (DC4-AAAB)
  • programming device (50-00083-020) for Ascom d83 for administration purposes via WinPDM (DP1-AAAD)


  • Please be aware that chargers are not part of the handset delivery and have to be ordered separately!
  • Initial deliveries of IP64/IP65 may come with pre-installed firmware 1.x. Firmware upgrade to version 2.x (available at download page) is required and will take approx. 15min.

Following DECT devices are end-of-life

  • IP52, IP54, IP55, IP56, IP61, IP63

[edit] Firmware

Firmware for DECT-basestations (IP1202, IP1202e, IP1202/4, IP1202/4s, IP1203, IP1203e, IP1203/4), handsets (IP61, IP63, IP64, IP65) and WinPDM can be downloaded via the innovaphone AppStore.

IP1203x is supported by major firmware version 13 and higher. It can be operated together with IP1202 devices with the same V13 firmware version.

[edit] Compatibility Statements

IP1202 and IP1203 base stations are compatible to each other and can be used in mixed systems in V12 and V13 innovaphone PBX environments (with most recent FW version). When adding an IP1203 to an IP1202 installation, an update of the DECT devices to a V13 firmware is required (PBX can remain on V12 firmware).

[edit] No Base Station and No Handset Compatibility

The IP1202/IP1203-based IP-DECT solution is not compatible to IP1200 based IP-DECT solution.

The old DECT handset IP50, IP52, IP54, IP55, IP56 will not operate on new IP1202/IP1203-based IP-DECT system, since not only GAP compliance is required, but also CAP compliance (DECT external handover CAP-N.1).

The DECT handset must support GAP and CAP for operation on IP1202/IP1203 based DECT system.

The new DECT handsets IP61, IP63, IP64 and IP65 will not operate on old IP1200 based IP-DECT system.

The new DECT base stations IP1202/IP1203 and IP1202e/IP1203e can not be used to extend an existing old IP1200 based IP-DECT system.

=> This means NO HANDOVER between different systems (move with active call on a specific handset from an IP1200-system to an IP1202/IP1203-based-system or vice versa)

=> This means NO ROAMING between different systems (usage of a specific handset in a non-compatible IP-DECT system - see above)

[edit] Parallel usage of IP1200 and IP1202/IP1203 IP-DECT systems

The operation is only possible as two independent systems. No handover or roaming between the systems is possible. An IP1202/IP1203-based system can and should synchronize the TDM clock with IP1200 based system to avoid interference.

[edit] Mixed Ascom/innovaphone Environments

It is generally not supported to mix Ascom (or any of their OEM-products) and innovaphone DECT products in a single installation, e.g.

  • Combination of IP1202/IP1202e/IP1203/IP1203e and Ascom IPBS2 base stations is neither allowed nor supported
  • Usage of IP61/IP63/IP64/IP65 with Ascom IPBS2 based networks is not supported
  • Usage of non-innovaphone handsets in IP1202/IP1203 based networks is not supported
  • Usage of IP61/IP63/IP64/IP65 with Ascom Alarm/Messaging Server (ex:UNITE) is not supported
  • Usage of innovaphone firmware at Ascom devices (bases and/or handsets) is neither allowed nor supported

The one and only exception to this is use of the Ascom d8x which may be operated in an IP1202/IP1203 environment.

[edit] No Multicell License Required

The Multicell License is obsolete for IP1202-based IP-DECT systems.

For IP1202/IP1203-based IP-DECT systems a SARI (Secondary Access Right Identity for DECT) certificate is required. The SARI activates an IP-DECT Master based on IP1202/IP1203. One single SARI certificate is required for a single IP-DECT system, regardless how many base stations are used. Also for IP-DECT systems with one single base station a SARI certificate is required. The SARI certificate is not an innovaphone license and only required to make sure the DECT Radio Fixed Part Identity used in the DECT system is worldwide unique one.

A Multicell License can not be converted to a SARI certificate (and there is also no need to do so).

Note: Multicell capability does not apply to IP1202/4s. IP1202/4s is a single cell basestation without expansion capability for another base station. It does not offer handover capability.

[edit] Repeater and External Antennas

There are no DECT repeaters available with IP1202/IP1203 based IP-DECT solution. Only IP1202/IP1203-based base stations must be used.

The DECT repeaters for IP1200 are not compatible to IP1202/IP1202e.

The IP1202/IP1203 has no possibility to connect external antennas.

In case external antennas are required, the IP1202e/IP1203e has to be used. The IP1202e/IP1203e has no internal antennas, so at least the standard external antennas, delivered with IP1202e/IP1203e should be used.

In all IP-DECT base stations something called Antenna Diversity is implemented, therefore in the IP1202/IP1203e two internal antennas and on the IP1202e/IP1203e two connectors for external antennas are installed. This is required to ensure that you have an as good signal as possible between the Base Station and the handset. The antenna diversity is measuring in the initial communication which antenna that has the best power level and this antenna will then be used for transmitting and receiving the signal. It is therefore mandatory to mount both antennas to cover the same coverage area. Both must be placed either on the inside or on the outside of the building, room or vehicle. Both antennas on one base station must also always be of the same type (e.g. two omnidirectional antennas, or one dual directional antenna etc.).

[edit] Certifications and Test Reports

The innovaphone PBX was tested and certified by Ascom Wireless Solutions with Ascom IPBS based IP-DECT System, on which IP1202 is based (but is not the same product). A Certificate and a Test Report of this certification are available for download.

[edit] Wired Headset Support for IP64/IP65

The IP64 and IP65 DECT handsets offer a 4-pole 3.5mm phone jack for headset connection.

Following headsets are tested by the manufacturer:

  • in-ear headset, incl. cable with phone jack - 50-00060-29
  • headset with mic on boom, quick disconnect - 50-00060-30 (needs additional adapter for QD to 3.5mm phone jack - 50-00060-032)

There's no technical support in case of issues for use of other headsets.

[edit] 3rd party products

Partner reports successful testing of following products:

  • Sennheiser 506090 CMB 01 CRTL - 4-pole 3.5mm adapter to connect Sennheiser headsets at IP64
  • Apple iPhone Headset with 4-pole 3.5mm jack, Tested answer and disconnect by pressing button in headset cord.

Note though, that innovaphone gives no technical support in case of malfunction.

[edit] Bluetooth Headset Support for IP63 / IP65

The IP63 and IP65 DECT handsets support handsfree and headset profiles for Bluetooth.

Following headsets are tested by the manufacturer - for some models restrictions have been reported to us (as of 11/20/18):

  • Jabra EVOLVE 65 MS Stereo
  • Jabra EVOLVE 75
  • Jabra MOTION UC+ MS
  • Jabra STEALTH
  • Jabra SUPREME UC MS (audio not working correct on outgoing calls with various CTI clients)
  • Peltor WS Headset XP (MT H7 WS5)
  • Plantronics B825-M Voyager Focus
  • Plantronics BackBeat GO 2
  • Plantronics Blackwire 710
  • Plantronics Explorer 500 Bluetooth Headset Black
  • Plantronics ML20 (not for IP65)
  • Plantronics M70
  • Plantronics M90
  • Plantronics Voyager 5200 BT Headset EU
  • Plantronics Voyager Edge
  • Plantronics Voyager Legend UC (audio not working correct on outgoing calls with various CTI clients)

[edit] DECT In-Call Features

IP1202 and IP61/63/64/65 handsets offer In-Call features by R-Key handling described here.

[edit] 3PTY (3 party conference)

Starting with version 9 firmware, the IP1202 DECT system supports 3PTY (3 party conference) on DECT phones. However, please be aware that this requires an innovaphone CONF interface as part of the system. Such CONF interface may or may not be present on a gateway device running the PBX, depending on the model used. See the respective data sheet for the voice/audio conference channels provided by the device. Note that the CONF interface used does not need to be present in the PBX device, it can be provided by just any gateway platform available in the system. There are no conference channels available in the IP1202/IP1203 though.

For details about configuration please refer to the relevant training document.

[edit] Migration Policy For New Projects

The information in this chapter is only a suggestion which devices to use while plan new DECT projects. No mixing of old and new handsets or base stations is possible in the same project.

[edit] Handsets

DECT Handset Features Matrix
DECT Handset IP Code/Schutzart Headset Connector Bluetooth Color Display Suggested Replacement
innovaphone IP52 - - - - innovaphone IP61, IP63
innovaphone IP54 IP54 Dust protected, Splashing water protected YES - - innovaphone IP63
innovaphone IP64 (old) IP64 Dust tight, Splashing water protected YES - - Ascom d81 Ex
innovaphone IP55 - YES - YES innovaphone IP61, IP63
innovaphone IP56 - - YES YES innovaphone IP63
innovaphone IP61 IP40 Object size >1 mm protected YES - - innovaphone IP64, see comparison
innovaphone IP63 IP44 Object size >1 mm protected, Splashing water protected YES YES YES innovaphone IP65, see comparison
innovaphone IP64 (new) IP40, IEC EN60529 YES, Standard 3.5 mm - YES
innovaphone IP65 IP44, IEC EN60529 Standard 3.5 mm YES YES
Ascom d81 (1) IP65 Dust tight, Water jets protected YES YES YES
Ascom d81 Ex (1) IP65 Dust tight, Water jets protected YES YES YES

Remark (1) - see below

[edit] d81

When operated within an IP1202 or IP1202e based environment, telephony features of d81 and d81ex are equal to the ones of the IP63.

Ascom-special telephony features as mentioned in the Ascom-d81-family-datasheet are not applicable in this use case.

Features such as man-down-alarm can be realized by upgrading the phone with a special Ascom license, documented here.

[edit] Base Stations and Repeaters

The IP1200 Base Stations and all kinds of DECT Repeaters for IP1200 are replaced by IP1202/IP1203, cause no repeaters are available for the IP1202/IP1203 based IP-DECT solution.

[edit] DECT System Feature Comparison

This chapter describes the differences in the feature sets between old and new DECT systems.

DECT Handset Features Matrix
Feature IP1200 based DECT system IP1202/IP1203 based DECT system Description
Registration on 3rd Party IP PBX YES NO IP1202/IP1203 can only register on innovaphone PBX
Messaging YES NO
Repeater YES NO
External Antennas YES (on repeater) YES with IP1202e
Non-EU DECT Frequencies YES NO Required for North America, Brazil
Number of Speech Channels per Radio 10 8
Max. Number of Radios 255 1000000 with multiple Mobility Masters for IP1202
Max. Number of Subscribed Handsets 1500 1000000 with multiple Mobility Masters for IP1202
Sync Master Redundancy NO YES
Distributed PBX Support with Roaming NO YES In a Master Slave PBX scenario it is possible for DECT Handsets to roam between sites
Automatic DECT Sync Configuration NO YES Compared to IP1200 DECT sync, IP1202/IP1203 is more reliable and stable
GAP Compatibility YES YES Although both systems are GAP compliant, innovaphone does only support innovaphone handsets used either with IP1200 or IP1202/IP1203
CAP Compatibility NO YES IP61/IP63/IP64/IP65 handsets will always do "external handover" as per CAP (DECT external handover CAP-N.1) between IP1202. GAP-only-compliant handsets will thus not work
DECT Encryption NO YES DECT Voice Traffic is encrypted between IP1202/IP1203 and IP61/IP63/IP64/IP65
Run innovaphone PBX YES NO On new IP1202/IP1203 you could not run as innovaphone Master or Slave PBX.
DECT Security NO YES Step B, containing support for DSAA2 and DSCA, is introduced with handset firmware 2.1.4 and later for IP64/IP65, see also DECT Forum and DECT Security

[edit] Usage in non-EU countries

The IP1202/IP1203, IP1202e/IP1203e, IP1202/4,IP1203/4, IP1202/4s, IP61, IP63, IP64 and IP65 can technically be operated in most countries of the world, as the hardware supports all relevant DECT frequencies (software configurable). However, the devices are approved in EU/EFTA states only! Use in other countries will probably be illegal thus.

[edit] Test-SARI

DECT Systems are using a worldwide unique system identification (SARI) to be separated from each other.

For test and training purposes, innovaphone offers the following SARI:


This SARI is intended for use in test/training systems only!

Usage within productive systems is prohibited and not recommended.

If the SARI is changed, all handsets have to be subscribed again.

DECT systems which are near to each other and are using the same test-SARI, may disturb each other.

[edit] DECT Service Codes

[edit] IP61

*#34# - Displays the Device Info
*#06# - Displays the IPEI/IPDI

[edit] IP63

*#34# - Displays the Device Info
*#06# - Displays the IPEI/IPDI 
*#77# - Site Survey Tool

[edit] IP64

*#34# - Displays the Device Info
*#06# - Displays the IPEI/IPDI 

[edit] IP65

*#34# - Displays the Device Info
*#06# - Displays the IPEI/IPDI 
*#77# - Site Survey Tool

[edit] Admin Menu

The handset has a hidden menu for system administrators. The Admin menu contains:

  • Software and hardware information, IPEI/IPDI, and User ID
  • DECT link and system information
  • Site survey tool
  • Fault logging
  • Enhanced system menu with ability to alter protection
  • Factory reset option

To activate the Admin Menu, enter the Call time screen via "Menu->Call list->Call time" and press > * < < * <

> or < means pressing the rocker key in the indicated direction ;-)

[edit] LEDs

The IP1202/IP1203 has one RGB LED to indicate status. This section describes the different indications and when they shall be used. In the illustrations below:

Each blink pattern is represented by a number of blocks where each block is 100 ms. Light grey blocks means that the LED is off. Whenever the indication is changed the new pattern always starts from the first block.

  • Idle/OK "Solid blue"


IP1202 operational and no traffic on the IP1202/IP1203.

  • Starting up/ searching "100 ms blue, 100 ms off"


The IP1202 is in start-up phase, e.g. waiting for parameters from PARI Master, or is searching for air synchronization.

  • Active traffic "400 ms off, 2000 ms blue"


IP1202/IP1203 operational and traffic on the IP1202/IP1203.

  • Fully occupied "400 ms red, 2000 ms blue"


Fully occupied with speech traffic.

  • Software download "400 ms blue, 600 ms off"


Download of firmware in progress.

  • Mini firmware "100 ms yellow, 100 ms off"


The IP1202 is in mini firmware mode.

  • TFTP mode "Solid yellow"


TFTP mode.

  • Error "100 ms red, 100 ms off"


No Ethernet connection.

  • Fatal error "Solid red"


Fatal hardware error.

  • Deployment: Good sync "2000 ms blue, 400 ms yellow"


The IP1202/IP1203 is in deployment mode and has good air sync coverage.

  • Deployment: Bad sync "400 ms blue, 600 ms off, 400 ms blue, 600 ms off, 400 ms yellow"


The IP1202/IP1203 is in deployment mode and does not have adequate air sync coverage.

  • Deployment: No sync "2000 ms red, 400 ms yellow"


The IP1202/IP1203 is in deployment mode and has no air sync coverage

[edit] Known Problems

[edit] H.323/TLS Registrations

If you want to use H.323/TLS as Registration Protocol for the Dect-Handsets on an IP1202/IP1203, there are a few things to consider. Using the TLS only Flag in the corresponding User Object will not work, because the CN (Common Name) of the IP1202/IP1203-Certificate doesn't match, with the Username and therefore the Registration at the PBX will fail.

If you still want to use a H.323/TLS Connection between IP1202 and PBX, you have to use other Mechanics to authenticate the Dect-Handsets. This can be done either by using the User Objects Password (not recommended) or activate the Flag PBX Pwd at the corresponding User Object (recommended). You have to enable Registration with system password at the IP1202/IP1203

With this Setup, you have a H.323/TLS Communication between the IP1202/IP1203 and your PBX and the User itself is authenticated via the PBX Password.

[edit] incoming calls limited to number of radio/DSP channels

Each incoming call towards a radio base station (IP1202/IP1203 or IP1202/4,IP1203/4) allocates a DSP channel during the alert state.

If more DECT-handsets are subscribed to this base than DSP/radio channels are available, call setup will fail for surplus devices, and result in no audio (just noise).

Example: Call Broadcast to 5 DECT users subscribed in a IP1202/4,IP1203/4. One out of these 5 users will alert but without any DSP allocation (random). Answering such a call results in no audio for this user.

[edit] Blind Transfer

Internal ring tone after external call is blind-transferred to C, which does not save external number in call list (per IPBS design)

[edit] No number resolution from local contacts

In case numbers of local contacts are not resolved in incoming call screen but in call list only, adjust display management settings via WinPDM:


[edit] Firmware Compatibility

Newer IP1202 hardware (such with product code IPBS2-M3A , IPBS2-M4A or IPBS2-M5A on the back, introduced 2Q2015) need at least firmware V11r1 SR3 or V10 SR22. Older versions are not supported!

[edit] Choppy voice on handsets in noisy environments

If DECT handsets are used in noisy environments (e.g. industry), gaps in the voice can appear, the syllables appear to be dropped from time to time.

This is caused by the echo canceller on the radio (IP1202) serving the connection for the DECT handset.

A config switch for noise optimised echo canceller mode can be used in this case:

config add MSP0 /ec-type 1

This config switch should be distributed to the base stations serving the radio connections for the DECT handsets in noisy environments only.

The ec-type parameter can be configured with values 0-2, 2 being currently (12r2SR14) the default value.

According a report from a customer, setting the ec-type value to 0 (i.e. disable the echo canceller) at the base-stations in the noisy environment (and only there) helped. So if setting ec-type 1 doesn't help, you can try ec-type 0.

[edit] Phone book search of users with * or # is not possible

The phone book search is realized via SMS messages. This protocol defines and works with digits only. Therefore, this function cannot be used by users who contain a * or # in their number. In other words, users who perform the phonebook search cannot use * or # in their number.

[edit] Remarks

For a successful registration to the PBX, it's mandatory that an entry with the user's Name as Hardware Id value exists in the Devices section of the PBX user.

[edit] Related Articles

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