Are VoIP Services or SIP Settings available in Airtel Xstream Fiber Broadband?

Messages
21
Location
NA
ISP
BSNL
Hello all wanted to know is there any VOIP settings for AIRTEL xtreme fiber users if so how to access same using SIP settings ..thx
 
Okay, I'm able to receive calls on Asterisk and do Playback(hello-world) for calls. WITHOUT ALGs disabled (Those are enabled).
But I'm not able to forward the call using Asterisk. It runs into Proxy Auth Requried Issue.. I'm also not able to use MicroSIP on 2 PCs simultaneously, not talking about simultaneuos calls, but connections also. When I connect one, the other one disconnects and need to be connected again. When one is connected other throws error "Proxy Authentication Required".
 
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@tr1k0N4 Got some time to test things again and it's still the same issue.
ONT tried - VSOL and TP-Link G3
Both are able to run vlan scan, got 1802 for my area.
Tried directly connecting cable from ONT to IP Phone, enabled NAt traversal but still same issue
Incoming works but outgoing gives call failed, declined error.
There is no firewall in between.

Have also tried setting up same under Freepbx(directly connected voip to a separate lan interface)
But on freepbx airtel is not able to register and throws error for incorrect registration format due to having +91111222@hp.ims.airtel.in@10.5.9.10:5600 as the SIP connection created after using full username and SIP server IP.

Have similar issues on BSNL as well, BSNL works fine on IP Phones(both incoming, outgoing works) but with Freepbx only incoming works.
 
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What IP phone do you own?
Please also show the static route you're creating.
What message do you get when you dial the Airtel landline number? Switched off?
 
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Ip Phone - Grandstream 2602P
Static Route - Not needed on IP Phone(direct connection to ONT on separate VLAN, incoming works, issue with outgoing)
Static route on freepbx
Code:
10.2.9.0/24 via 10.187.74.1 dev ens2
10.2.9.181 via 10.187.74.1 dev ens2
10.2.9.197 via 10.187.74.1 dev ens2

Incoming works for IP Phone, on freepbx it gives message that the number is not available.
 
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