Howto:Switzerland - UPC Cablecom - SME-MLE VPN - SIP Provider(2014)

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Product Name


Current test state

Image:Recprod.PNG The tests for this product have been completed and it has been approved as a recommended product (Certification document).

Testing of this product has been finalized June 18th, 2014.


All SIP Telephony Provider (i.e. Carrier)



UPC Cablecom


The SIP Trunk done with the Provider it's without registration, for that reason this provider it's not suitable to Hosting Scenario with innovaphone.

If the costumer doesn't have VPN contract, then the SIP Trunk it's done directly via Public IP address, so it's necessary to have the PBX/Media Gateway with Public IP address (this was the scenario tested).

If the customer has a VPN contract, the local range end can be added to the access policy, this means there is direct IP routing between the SIP Provider and the IP PBX and the IP Phones. Also with the VPN contract QoS it's done by the UPC Cablecom for the VoIP calls.

Fax it's possible with G711 passthrough, T.38 must be enabled by Option.

  • The sip trunk from upc cablecom supports the following features:
    • TCP oder UDP (according to prior agreement with upc cablecom)
    • SIP, RFC 2543 und 3261
    • SIP Privacy: id, RFC 3323
    • P-Asserted-Identity/Remote-Party-ID
    • Diversion Header
    • SIP OPTIONS (keep-alive)
    • DTMF RFC 2833
    • Codec
      • 1. Prio G.711a-law (with a frame length set at 20ms)
      • 2. Prio G.711u-law (with a frame length set at 20ms)
      • 3. G729
      • 4. G723
    • Fax: G.711a pass-through
    • Fax: T.38 (it's optional must be enabled)
  • The following features are not supported:
    • SIP Refer
    • SIP Update
    • SIP Info
    • SIP P-Preferred Identity
    • TLS/SRTP

UPC Cablecom SIP Provider Testreport


UPC Cablecom
Förrlibuckstrasse 181 | 8021 Zurich - Switzerland
Tel: +41 (0)800 568 568
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