The Session Initiation Protocol (SIP) is a cost effective and affordable
ECS provides SIP (Session Initiation Protocol) Trunk Lines as a cost effective and affordable solution to your communication needs.
SIP trunks can provide numerous benefits including geographic telephone number portability and resilience against PSTN/ISDN failure.
The Benefits of SIP Trunks
Lower cost than ISDN
Greater flexibility and scalability
Telephone number portability
Resilience and business continuity
