Some of outbound calls drop through CUBE to SIP Provider

[R Ba]

Hello

Some of outbound calls through CUBE drop 

Call Flow

CUCM----CUBE----SIP Provider 

Calls dropped by receiving "Request Terminated from SIP Provider" as below

Received:
SIP/2.0 487 Request Terminated
Via: SIP/2.0/UDP 10.68.36.246:5060;branch=xxx
Call-ID: xxxC@10.68.36.246
From: <sip:+xxx@fmc.stc.com.sa;user=phone>;tag=CB564BC-1A3C
To: <sip:xxx@10.200.7.157>;tag=xy5xcwcc
CSeq: 101 INVITE
Reason: Q.850;cause=31;text="Normal, unspecified",SIP;cause=487
Content-Length: 0

what may cause this issue ?


 

[b.winter]

Hi,
if the provider is disconnecting the call, you have to ask the provider. Nobody else can answer this.

[Roger Kallberg]

I agree with @b.winter. Check with your service provider as they are the one who disconnects the call.

[Nithin Eluvathingal]

As mentioned by other members, check with your ISP.

If you share the logs for working and no working  we might be able to through some light.

[rimishr2]

"487 request terminated" suggests that a request was terminated by user or application. It can also be sent by UAS(in your case it's called side-ITSP) to client(UAC-Your calling party), after client sends a CANCEL request. If you can send the complete log, will be able to determine.