Abacus Cloud is a carrier class platform for VoIP, UC, Call Centers, Presence, Voice Recording and SIP Trunking for medium to large enterprises. Abacus Cloud enables scalability, reliability and geographic redundancy that grows with your business to the most demanding requirements. 

Abacus Cloud partners with a best of class data center, redundant Tier 1 carriers, session border controllers and high definition end points. Abacus Cloud supports a mix and match of IP deskphones, softphones, virtual extensions, mobile devices and analog adapters.


Abacus offers a SIP Trunking plan to fit virtually any size business from metered pay as you go, to unlimited calling, to enhanced SIP trunks for business continuity and disaster recovery plans.

Abacus SIP trunks work seamlessly with the Abacus Cloud hosted PBX, UC solution or connected to a SIP capable PBX or gateway at the customer premise.


Abacus Group offers a full suite of managed services including VoIP readiness testing, CDR and ACD reporting and 24x7x365 network monitoring.