This API allows you to update certain phone number SIP or SMPP configurations.
SIP DNS SRV RecordsTCXC supports SIP DNS SRV records exlusivley for the
Restcomm Cloud platform.To point your DID number to Restcomm cloud using SIP SRV records, use below
format:contact: did_number@sip_udp.restcomm.comExample:1234567893@_sip_udp_telecomsxchange.com.restcomm.com