SIP trunk between CUCM and ISP

[ggl277808]

Hi team,

Has anyone know how to change the option sip max-forwards to value "1" in CUCM 10.5 version?

Thanks in advance

[Aeby Vinod]

here is a similar thread you can refer to:
https://supportforums.cisco.com/t5/ip-telephony/cucm-sip-trunk-max-forward/td-p/2635151

Please rate if found helpful

Regards,
Aeby

[ggl277808]

Hi Aeby,

Thanks for your response, I had seen this post before, and it is the same doubt that I have, but the answer and the example is over the configuration of a CUBE.

What I need is to change this parameter directly under the Sip Trunk configuration, by some option if it exists, although I have not found, or through Lua script normalization, which I have not found either.

Any clue?

[R0g22 · Accepted solution]

I responded to your other post yesterday but I believe you did not notice my reply. You can use the following script for normalization -

M = {}
function M.outbound_OPTIONS(msg)
msg:removeHeader("Max-Forwards")
msg:addHeader("Max-Forwards", "1")
end
return M

These are not TAC supported.

https://supportforums.cisco.com/t5/ip-telephony/sip-trunk-integration-isp/m-p/3337989#M358490

[ggl277808]

Hi Nipun,

I've solved the issue with your function.

Thank you so much