On Fri, 2009-09-18 at 10:57 +0200, Gmb wrote:
> Sep 17 16:36:48.443:
> //366/5D90487B83AE/SIP/Error/sipSPI_ipip_copy_sdp_to_channelInfo:
> failed to update call entry
> SIP: (366) Attribute ptime, level 1 instance 1 not found.
My guess is that the gateway is complaining that the SDP doesn't have
ptime attribute specifications. But ptime specifications are always
optional, so it's probably a problem with the gateway. Have you talked
to Cisco about this?
See RFC 2327:
Note that RTP audio formats typically do not include information
about the number of samples per packet. If a non-default (as
defined in the RTP Audio/Video Profile) packetisation is required,
the "ptime" attribute is used as given below.
For more details on RTP audio and video formats, see [3].
Dale
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