We have a UC540 with SNR configured on an extension. If the extension is called from an internal extension then the SNR works exactly as it should. However, if the extension is called either from the DDI number associated with the extension or via the main autoattendant and then dialing the extension it does not. The internal extension rings but never diverts out to the mobile to which SNR is configured to.
The DDI, incoming and outgoing lines are all SIP trunks as no PSTN lines are used for normal operation on this unit.
It would appear that there is some kind of anti-relay setting preventing the outgoine call but all other SIP based calling is working correctly.
For Single Number Reach (SNR) numbers going over SIP trunks, the Caller ID should not reflect the Caller ID of the
original caller when set up using CCA.
Typically the Caller ID will be the main PSTN number (DID) configured for SIP trunk or the override to a specific DID using the CallerID TAB of the Outgoing Dial Plan GUI window.
All the designated SIP Trunk SPs require Caller IDs (FROM Headers) to be valid account numbers or they reject the call (prevent fraud)
As an example of how we do it for one such SP in the US the following resulting CCA CLI:
The UC500 is setup for translating calling, called and redirect numbers when call hits dialpeer 1027,
As per this config, every calls that goes out of dial-peer 1027 (in my case) will have calling-number as 6783979422 (my main SIP trun DID)
dial-peer voice 1027 voip
corlist outgoing call-national
description **CCA*North American*Long Distance**
translation-profile outgoing PSTN_Outgoing
session protocol sipv2
session target sip-server
voice-class codec 1
voice-class sip dtmf-relay force rtp-nte
ip qos dscp cs5 media
ip qos dscp cs4 signaling
voice translation-profile PSTN_Outgoing
translate called 1112
translate redirect-target 410
translate redirect-called 410
voice translation-rule 1111
rule 15 /.*/ /6783979422/
I realize the CME 8.0 introduced command you refer to, and in my experience using it with the CCA configured system has no impact on egress calls.
So I would guess that the system is modified and perhaps its a SIP trunk SP that is not a designated one?
SIP Trunk --> 201 w/ SNR to Mobile Phone (10 digit) · snr calling-line local · mobile displays the CLID of the UC500 (not the original CLID) · no snr calling-line local · mobile displays the CLID of the UC500 (not the original CLID)
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