Cisco Bug: CSCvr99967 - Telepresence ISDN GW not advertising any DTMF method on signalling
May 20, 2020
- Cisco TelePresence ISDN Gateway
Known Affected Releases
Symptom: Telepresence ISDN GW not advertising any DTMF method on signalling Conditions: - Telepresence ISDN GW not advertising any DTMF method. - ISDN GW DTMF working can receive Raw inband DTMF. - ISDN GW DTMF working can receive RFC2833 in case the ISDN GW set to Auto attendant Mode only. - Advertise out-of-band DTMF (telephone and auto attendant) check box on the configuration : means the DTMF can be received as RFC2883 not KPML . - in case of Cisco IP Phone ( like 88XX ) the DTMF will be sent as KPML or RFC 2833 where the ISDN GW will not got it (unless it set to Auto attendant mode it will accept RFC2833).
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Bug Details Include
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