__sip_xmit Returned -1 Invalid Argument

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Asterisk Users 2 Comments

I’ve been getting slammed with these messages on my console lately.

ed -1: Invalid argument
[2016-05-31 10:09:40] WARNING[16249]: chan_sip.c:3775 __sip_xmit: sip_xmit of 0x7f05140803f0 (len 559) to 192.168.1.45:0 returned -1: Invalid argument
[2016-05-31 10:09:40] WARNING[16249]: chan_sip.c:3775 __sip_xmit: sip_xmit of 0x7f05140803f0 (len 559) to 192.168.1.45:0 returned -1: Invalid argument
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etc etc etc comes in bunches of about 10, all with same IP address in that bunch. Does not appear to be related to one phone — I have a mix of devices. They appear to happen when a phone registers. The debug message “Invalid argument” is not helping me, I wish it were more descriptive. I peeked at the code and there is no indication what __sip_xmit() does (like all Asterisk code I have looked at so far), looks like it might do MANY things.

It does not appear to be tied to one version, I have tried 13.7.2, 13.8.0,
13.9.1

I don’t see anything glaring when I “sip set debug on” and “core set debug
10” — just more messages that I don’t understand.

Like this ——————–

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