Zen Communications offers SIP trunking and advanced faxing capabilities that integrate with your existing PBX or fax machines. Leverage our experience to quickly tie in to your existing hardware.

SIP Trunking

Need voice service? Delivering voice over the SIP standard allows us to quickly enable inbound and outbound calling functionality, including toll-free numbers, local and international calling, and phone numbers in every state and many international destinations.

High Volume Calling

Political campaign or call center? We offer reliable and cost-effective high volume, short duration voice connectivity to qualified clients.


Required to use faxes? We provide virtual fax service, in addition to Internet-enabling your existing physical fax machines.