[asterisk-users] sending sip info messages

[Danny Nicholas]

Asterisk as of this writing doesn't really support text messaging except for
asterisk-to-phone during a call.  Some folks on this thread use other
programs in conjunction with asterisk to support this capability.  

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Karsten
Schubotz
Sent: Friday, June 12, 2009 10:16 AM
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] sending sip info messages

Hi all,

I`m searching for a special solution to send text messages inside Sip info
packets, that are normally used for dtmf signalization. So far I’m able to
exchange sip Info messages between two softphones which are connected
directly together (only over a Switch).
By connecting both Softphones on the asterisk pbx, registration is ok and
the voice interconnection is also fine.
During the call, when I start sending a sip info message to my remote
station, first the asterisk receives it and then sends back a sip status
message:
	Status: 403 Unauthorized
	Allow:  INVITE, ACK, CANCEL, OPTIONS, BYE, REGER, SUSCRIBE, NOTIFY
	X-Asterisk-HangupCause: normal Clearing

Asterisk doesn’t relay the info message to my remote station.

In the sip.conf file I changed the dtmfmode from “auto” to “info” but
without any improvements.
In the “Allow:
” line of the received status message there is no “INFO”
entry. Perhaps could this be the reason why asterisk don’t forwards the info
message to my remote station, and if so, how can I change asterisk
configuration to allow info messages?

Thank you very much for some help!

Regards
Karsten

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