Configure the transport type on the IP
phone.
Navigate to:
http://<phoneIPAddress>/servlet?m=mod
_data&p=account-register&q=load&acc=
0
account.X.sip_server.Y.transport_type
(X ranges from 1 to 16, Y ranges from 1 to
2)
Description:
Configures the transport method the IP phone uses to communicate with the SIP server for
account X.
0-UDP
1-TCP
2-TLS
3-DNS-NAPTR
If the value of this parameter is set to 3 (DNS-NAPTR), the value of the parameter
“account.X.sip_server.Y.address” is set to a host name and the value of the parameter
“account.X.sip_server.Y.port” is set to 0, the IP phone will perform the DNS NAPTR and SRV
queries for the transport protocol, ports and servers.
If the value of this parameter is set to 3 (DNS-NAPTR), the value of the parameter
“account.X.sip_server.Y.address” is set to an IP address and the value of the parameter
“account.X.sip_server.Y.port” is set to an explicit port (except 0), then UDP is used.
Web User Interface:
Account->Register->SIP Server Y->Transport
Phone User Interface:
None