call extension sip headers

[John Moses]

Is there any documentation on the custom sip headers referenced here in this doc

https://support.google.com/google-ads/answer/9729405?hl=en

you’ll also receive additional information—like the campaign, ad group and click ids—in the SIP headers of the call.

Is there any other documentation around what the sip headers are and what choosing different call providers does?

If I register a phone number with a provider that is not in that list but optin saying I want the sip headers will I still receive them?

[Google Ads API Forum Advisor]

Hi,

Thank you for reaching out to the Google Ads API support team.

To assist you further, could you please confirm if you are looking for Google ads API documentation regarding the custom sip headers or looking for any other documentation?

 

Thanks,
 

Google Ads API Team

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[2025-08-18 08:12:00Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01szDoo:ref" (ADR-00330029)