ARI - How to set the From: field when making a call

Asterisk Asterisk SIP
1

I’m using ARI to place a call and want to set the caller id number.

My SIP trunk provider says that I need to set the From field in the SIP invite to the caller id. How can I do that programmatically on the ARI POST /channels/create? The “callerId” field is setting the number in the SIP Inviter Remote Part ID field.

This is how my dial command looks like:

/ari/channels?endpoint=PJSIP/1234@SipTrunk&app=MyAppId&channelId=MyChannelId&callerId=MyName<callerIDNumber>&timeout=0&appArgs=internal

Will I need to pass the number as a variable to the dialplan when passing it to Stasis? What other alternatives do I have?

2

What’s in your pjsip.conf? I suspect you are overriding the From header there.

Is this the funny provider that uses From for caller ID and remote-party-id for the account code? In that case, they are broken and you will need to look back a couple of months to see if anyone found a work around for them. (The normal expectation is that, if you have both, From is the account code and remote-party-id is the caller ID.

Why are you enabling remote party id, at all?

3

Here’s the pertinent portion:

[SIPTrunkprovider]
type = endpoint
transport=transport-udp
allow= !all,ulaw,alaw
aors = SipTrunkProviderOutbound
direct_media=no
context=voice-otp
from_domain=Our Public IP
from_user=+MyPhoneNumber
send_rpid=yes
rtp_symmetric=yes
force_rport=yes
timers=no

So yes! Thanks a lot. That did the trick. Once I removed the from_user field, it worked as expected.

As for the remote-party-id field, we were setting it following SIP Remote Party ID and RPID Privacy for Outbound Calls

4

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