ICS SIP Trunking

ICS SIP Trunking routes phone calls over your existing Internet connection for big savings and enhanced features


Reliability Sets Us Apart

99.999% uptime SLA

SIP Trunking is hosted in top-tier, enterprisegrade datacenters.

  • High-availability hardware and network components guard against outages.
  • In the unlikely event of a datacenter disruption, SIP Trunking service is instantly restored through mirrored datacenters.
  • Multiple tier 1 Internet providers offer redundant service to route traffic around any provider system issues.
  • Geographically dispersed datacenters help ensure availability and facilitate traffic routing.
  • Our technical architecture keeps voice quality at the highest crystal-clear levels.

Big Savings on Phone Bills & No Contracts

  •  SIP Trunking can reduce monthly phone bills up to 50%.
  •  SIP Trunking cost savings can quickly offset the cost of
    a new phone system.
  • No long term contracts: services are month-to-month.


  • SIP Trunking makes It is easier and more cost effective to
    scale as a business grows.

Failover Routing

  • Failover routing automatically redirects inbound calls to
    an alternate number in the event of a local outage. By
    location or by DID.

Online Management Portal

  • Manage SIP Trunking with an easy-to-use web portal
  • Destination monitoring identifies fraud patterns
  • Authentication for all outbound calls
  • Geographical IP address registration restrictions
  • Ensures customers are behind a firewall
  • International call blocking if fraud detected
  • Strong password protocol

Auto Attendant: answer and route calls, so
callers can easily reach the right person; often
used for failover/business continuity.

WebFax: streamline faxing by sending, receiving
and managing faxes with a PC.

FollowMe: Provides call forwarding, call
screening, sequential and simultaneous ringing.

Remote Market Numbers: establish a market
presence without the costs associated with a
physical location.

Conferencing : Reserved and reservationless
conference calls with up to 150 participants.

Toll-free Numbers: Dedicated toll-free numbers
for inbound calling.

Voicemail: Dedicated voicemail box that can be
used in the event of a local outage.

  • Proprietary VoIP test ensures your network can
    support high-quality voice service.
  • SIP Trunking experts: ICS switches over 2 billion
    voice minutes each year.
  • Interoped with the leading PBX manufacturers