Cisco Bug: CSCta77678 - RTP timestamp for RFC2833 is modified when using cRTP
Jan 24, 2017
- Cisco IOS
Known Affected Releases
12.4(15)T9 12.4(16) 12.4(23a) 15.0(1)M
Symptoms: RTP timestamp on the RFC 2833 event is modified. IP Phones are using RFC2833 to transport the DTMF signals, which causes problems with the Voicemail systems. Conditions: This symptom occurs when RTP header compression is enabled.
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