I get 8 to 12 of these messages at the beginning of a call to a Cisco
7940 SIP phone:
Nov 13 17:27:56 NOTICE[27203]: rtp.c:1146 ast_rtp_raw_write: RTP
Transmission error to 192.168.1.254:32472: Operation not permitted
Other than these messages, the call proceeds normally.
From the code I see Asterisk is attempting to send DTMF digits.
In SIPDefault.cnf I have "dtmf_inband: 1"
In sip.conf I have tried "dtmfmode=rfc2833", "dtmfmode=inband", and
"dtmfmode=info".
Asterisk 1.0.7.
What is confusing is that these messages started appearing this past
week with no apparent changes to the configs.
Can anyone help me with this?
Thanks,
--
Michael Welter
Telecom Matters Corp.
Denver, Colorado US
+1.303.414.4980
[EMAIL PROTECTED]
www.TelecomMatters.net
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