[SIP Beyond VoIP] MSRP relay very unstable

Prasun Bheri prasun.bheri at gmail.com
Tue Apr 15 08:55:30 CEST 2014


Hi Group,
I have configured msrp relay from http://msrprelay.org with plain tcp and
did some file transfers.

I find it very unstable as transfer randomly gets aborted midway (relay
sends reset to both clients) when doing a 2mb file transfer with small (2k)
chunk size. but having a better luck when chunk size is 10k or greater as
long as there is single transfer happening. when transferring multiple
files one or all the transfers are getting aborted by relay sending reset
to clients.

This looks like some buffer issues.

has anyone faced this or similar problems? if any one know a fix for this
please let me know.

These are the configuration options I am using:
address = 172.31.5.219:2855
debug_notls = yes
backend = memory
55575 at 54.255.138.50 = 575.55     ### using public ip
55576 at 54.255.138.50 = 576.55



moreover at times, data transferred is getting corrupted. I mean received
data randomly contains portion of "7 hyphens <transaction id>" sequence
sent by sending client. there must be some issue with re-packetization of
chunks being forwarded. I raised this as defect here
http://msrprelay.org/issues/2501

ps: does any one know any other msrp relays servers paid/free that are
stable and time tested.

Thanks & Regards,
Prasun
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