Howto:Switzerland - sipcall - sipcall business - SIP Provider: Difference between revisions
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Latest revision as of 16:11, 25 August 2020
Product Name
For DE/AT/CH: sipcall business
Same service for whole Europe: voipgateway
Current test state
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 May 28th, 2010.
Category
All SIP Telephony Provider (i.e. Carrier)
Description
DDI SIP Trunks with CLNS support.
Remarks
The provider supports all required innovaphone features and is therefore qualified as recommended SIP Provider.
The Reverse Media Negotiation is not supported, therefore Media Relay/RTP Proxy must be activated, in order to prevent media negotiation problems while transfer the calls.
T.38 is stated as supported, but no fax call was possible, due T.38 negotiation problems. The T.38 gateway on provider site exceeds the T4 timer of the T.30 protocol. As a result, fax calls with T.38 do not work.