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Not able to connect inbound calls.
# support
i
Hi, I am trying to test inbound calls but calls fails. Please find the error log The service provider is saying 'the call has been landed to the DID and its failed from your server.' inbound phone numbers a5e8beb5-c97c-49d3-8c37-c42c5bd55b62 9f3377ce-bc65-4cd0-ad10-3e002c671777 @Vapi @Shubham Bajaj @Sahil https://cdn.discordapp.com/attachments/1327218506969780264/1327218507800248402/GetAttachmentThumbnail.png?ex=6782440e&is=6780f28e&hm=a4789a81d4de4fe08e1539ebd37035cb717e1c2306e14537c5d7a835bc46da13&
v
message has been deleted
@Invorto I'm sorry to hear that you're experiencing issues with inbound calls. To assist you effectively, I'll need a bit more information about the error you're encountering. Could you please provide me with the specific error message or code from the log that indicates why the call is failing? This will help me understand whether it's an issue with the configuration, a service provider problem, or something else.
You can continue this conversation by mentioning me in the message.
s
Can you send me the call_id?
s
@Invorto a gentle reminder to share the recent call id.
i
Call did not come through to get call Id. This is for inbound call. @Shubham Bajaj @Sahil
s
can you share the PCAP file?
i
PCAP file? what will be this? @Shubham Bajaj
s
Tell them to send the request directly to sip.vapi.ai not 44.238.177.138 then it will work.
s
FYI: As discussed over the call last Saturday with @Invorto , he need to send requests directly to 
sip.vapi.ai
.
i
@Shubham Bajaj this is what I received from my service provider “We are unable to provide the PCAP file as it contains sensitive network information, And sharing it would conflict with our network security policy. However, we can provide screenshots containing the relevant information you are looking for."
s
@Invorto As @Sahil and I already mentioned, ask your provider to send the request directly to sip.vapi.ai instead of 44.238.177.138, which you can verify in the shared screenshot is not being done.
i
@Shubham Bajaj message from the provider Inbound call landed to your server and its unauthorized from your end. So kindly ensure our server IP whitelist from your server and your firewall. (vivap1.vivphone.com). and we have forwarded the calls with following DID format (08037307832@sip.vapi.ai). https://cdn.discordapp.com/attachments/1327218506969780264/1328642607579926548/image.png?ex=6787725a&is=678620da&hm=c06ed8fe7e697d187d4578ad4eb8182b84fbb55dd1d27ac5f21575cdc31df90a&
s
Tell them to send dummy authentication credential and it will bypass the 401 issue.
i
@Sahil hi Sahil. They said, when they send the request to the domain, they cannot send authentication credentials.
s
We would require authentication credential cause from our end we don't have IP based authentication.
i
Is it possible that i integrate the number using the sip.vapi.ai and credential given by the provider? @User
@Sahil what can be the solution to this please?
s
for inbound part, it is necessary for the provider to route the call to termination URI
you can't do it without it.
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