Handling of tel URIs

[david551]

This was discussed recently:

Why are chan_sip and res_pjsip with the same access data results in an error message

The following problem in the PBX I have noticed and it is the res_pjsip which outputs a error in the case of incoming calls with the following configuration [transport-udp-nat] type=transport protocol=udp bind=0.0.0.0 local_net=192.168.1.0/16 local_net=127.0.0.1/32 external_media_address=ipv4 external_signaling_address=ipv4 [sip_reg] type=registration transport=transport-udp-nat outbound_auth=sip_auth server_uri=sip:sip.alice-voip.de client_uri=sip:id@sip.alice-voip.de contact_use…