Troubleshooting Scenarios
• The handset is not registered in the services.
• Services are on another (sub) network and routing to that LAN is not functioning.
Test for Voice Access
1.
Try to ping the SIP PBX from a handset or a laptop.
2.
Was the ping successfully echoed?
− No: Check the PBX settings in the LAN as the problem is access to the PBX.
− Yes: If ping is successful from another client to the PBX, check the Voice settings (for example PBX
address) in the handset.
3.
From the handset Settings, check the following:
− The IP address of the handset is on the same subnet as the SIP PBX or there is a route to the SIP
PBX in the network. Note that the value of the default gateway must point to a route that can
forward the package.
− The IP-address of the SIP PBX is correct set in the handset.
− The handset has an Endpoint number or Endpoint ID that is registered in the SIP PBX and if
passwords are used for access to the SIP PBX, that it is correct.
4.
Check that the APs maps VoIP packets to the Voice VLAN if such are used. To do this, access to the
AP setup is needed, otherwise a "wired and wireless sniffing session" must be carried out.
6.3.3
Incorrect SIP Authorization Details
Message
Incorrect SIP credentials message indicates that the handset is configured to use SIP PBX with invalid
authorizations details, and SIP calls cannot be placed.
Check Endpoint ID
Verify that used on the handset Endpoint ID is registered in SIP PBX.
Check Password
Verify that the same password registered in PBX is used for the current Endpoint ID.
Check Multiple Usage of Same Endpoint ID
The same Endpoint ID can, if supported by the SIP PBX, be simultaneously used on several handsets only
when the following conditions are met:
1.
The password has been registered in SIP PBX.
48
Details
Incorrect SIP authorization details have been used.
The message is shown when wrong data (user
credentials) in Ascom VoIP settings have been
used.
TD 93297EN / 19 December 2019 / Ver. B
TROUBLESHOOTING GUIDE
Ascom Myco 3
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