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