Urgent - sip trunk connection error - phone is not...
# supporta
andrewboy777
07/21/2025, 12:07 PMHi, everything was working find earlier las week. But now Sip is not connecting...we did not change anything... has failed: 401 Unauthorized error
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Suraj
07/21/2025, 12:54 PMHi @andrewboy777 , your comment on my post to using api we can change assisstnce or add .
a
andrewboy777
07/21/2025, 1:04 PMChange easily
andrewboy777
07/21/2025, 1:05 PMPATCH https://api.vapi.ai/phone-numbers/{phoneNumberId}
andrewboy777
07/21/2025, 1:06 PMJson body:
andrewboy777
07/21/2025, 1:06 PM Copy code
{
"assistant_id": "your-new-assistant-id"
}s
Suraj
07/21/2025, 1:31 PMthis curl i used
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andrewboy777
07/21/2025, 2:03 PMs
Suraj
07/22/2025, 6:04 AMi used this - https://api.vapi.ai/phone-numbers/{phoneNumberId}
Suraj
07/22/2025, 6:09 AMwhich one is correct?
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Subrat Sagar
07/22/2025, 8:51 AMPlease check your SIP URI, Is that correct?
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Shubham Bajaj
07/23/2025, 10:04 PM@andrewboy777 Looking into it.
Shubham Bajaj
07/23/2025, 10:08 PM@andrewboy777 could you please share the pcap file for the 401 authorization request from our end? This will help me identify the missing information that prompted this message.