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Outgoing calls fail - Forbidden
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TotalNet Offline
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Joined: Feb 2020
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Post: #1
Outgoing calls fail - Forbidden
My business is closed due to the national lockdown here in NZ and I'm trying to get my business phones working from my home office and it's not going so well. Any help for a Yealink newcomer is gratefully appreciated!

Essentially, I believe my ISP/VoIP provider is blocking my outgoing calls from off-network, however, they have said no at 1st level support so I need some ammo to get through to level 4 ideally.

I have a W60B with 1 W56H and a T41S with the DD10 DECT adapter.

The line is registered and receives incoming calls on that line. When I attempt an outgoing call if fails quickly with "Forbidden".

There are other accounts registered on the W60B with a cloud PBX and my home ISP/VoIP working perfectly. I have set up the T41S for this account without the DECT adapter and get the same failure.

At the business office I use a CISCO ATA (SPA112) for this line and have used its settings for the registration on the W60B, with the intention of replacing it with the Yealink setup soon. This ATA device does not work from my home office either.

I have setup a syslog server to trace the call process and can attach here but the key entries I see are:

- a new call is established (call staus update [0]==>[2])
- a packet is successfully sent to the SIP server and a reply received
- a couple more exchanges of packets with the SIP server
- call status changes to 19 (call status update [2]==>[19])
- the call is released <<RELEASE-REASON>> (0xe2)

There is no SIP proxy involved, the connection is UDP only.

I'm sure there are many reasons behind a "forbidden" call failure (it's often as much about what's not in the log) so please let me know if there's another area I can look at, perhaps it's my network setup (NAT?) which is why the ATA I brought home doesn't work either.

Here's a highlight of the syslog output (phone# replace with NN):

DCX <5+notice> 632.873.481:TX[0] HS 2 --> T[55597] {CC-INFO}  P_IT(240)
DCX <5+notice> 632.873.625:  <<Calling Party Number>>  (0x6c)
DCX <5+notice> 632.873.769: Number type:  
DCX <5+notice> 632.873.910: Numbering plan: ISDN/telephony plan
DCX <5+notice> 632.874.055: Presentation indicator: , Screening indicator: User-provided, not screened
DCX <5+notice> 632.875.883: Number: 0xNN ("N") 0xNN ("N") 0xNN ("N") 0xNN ("N") 0xNN ("N") 0xNN ("N") 0xNN ("N") 0xNN ("N") 0xNN ("N")  
DCX <5+notice> 632.876.071:  <<Calling Party Name>>  (0x6d)
DCX <5+notice> 632.876.227: "NNNNNNNNN
DCX <5+notice> 632.876.373:  <<Call information>>  (0x7e)
DCX <5+notice> 632.876.518: Call ID:  0x0  
DCX <5+notice> 632.879.676:
DCX <5+notice> 632.879.872:
APP <5+notice> [SIP] SIP_C2S_CALL_NEW_OUTGOING, lid:0, cid:32795,callmask:0x00000000,callee:NNNNNNNNN
CAL <5+notice> [000] call status update [0]==>[2]
DLG <5+notice> [000] Sending Packet :to dest= msglen  = 929
DLG <5+notice> [000] End of Sending Packet :msglen  = 929
NET <5+notice> [000] ===>>>> UDP socket send 929 bytes
NET <5+notice> [255] <<<<=== UDP socket read 246 bytes  
DLG <5+notice> [000] Data Received :from src= msglen  = 246
DLG <5+notice> [000] End of Data Received :msglen  = 246
NET <5+notice> [255] <<<<=== UDP socket read 277 bytes  
DLG <5+notice> [000] Data Received :from src= msglen  = 277
DLG <5+notice> [000] End of Data Received :msglen  = 277
DLG <5+notice> [000] Sending Packet :to dest= msglen  = 318
DLG <5+notice> [000] End of Sending Packet :msglen  = 318
NET <5+notice> [000] ===>>>> UDP socket send 318 bytes
CAL <5+notice> [000] call status update [2]==>[19]
SS7 <5+notice> 633.047.590:SS7_ReqRelExt instance=0x1003000e, reason=0x75,msg:(null) rel_msg_len=0
SS7 <5+notice> 633.048.034:service_SS7_ReqRel inst=0x1003000e,Reason=117,Call Id:0
APPC<5+notice> 633.048.266:appmedia_CallObjMediaStop inst:0xf,ChannelID:0
APPC<5+notice> 633.048.453:CallObjMediaSet inst:0xf,state:1
APPC<5+notice> 633.050.701:appcall_ReleaseCall CallId:0, Reason:0x75, RelMsgLen:0, CallIns:0xf, Hs:2
DCX <5+notice> 633.261.418:
DCX <5+notice> 633.261.635:FTMLP_ID/0,3,8,0x0,0x0,0,<0>
DCX <5+notice> 633.291.416:
DCX <5+notice> 633.291.633:FTMLP_ID/0,3,7,0x4,0x0,4,<0>
DCX <5+notice> 633.331.383:
DCX <5+notice> 633.331.590:FTMLP_ID/0,3,7,0x5,0x0,5,<0>
DCX <5+notice> 633.351.965:
DCX <5+notice> 633.352.222:FTMLP_ID/0,3,7,0x6,0x0,6,<0>
DCX <5+notice> 633.352.379:
DCX <5+notice> 633.352.528:RX[0] HS 2 <-- T(55645) {CC-RELEASE-COM} [HS-2]  P_IT(140)
DCX <5+notice> 633.352.676:  <<RELEASE-REASON>>  (0xe2)
DCX <5+notice> 633.352.819: Normal

Whether making a call or not I also get the occasional DESV<3+error > 792.450.786:get_ip failed ret= -1

I would port my phone number to the cloud PBX but I get an unbeatable package with unlimited free national and mobile calls on 2 lines Sad

Cheers for any assistance

(This post was last modified: 03-31-2020 05:45 AM by TotalNet.)
03-31-2020 05:40 AM
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Outgoing calls fail - Forbidden - TotalNet - 03-31-2020 05:40 AM

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