SIP trunking is a cost-effective option for modernizing legacy phone systems with minimal disruption. Discover the best SIP trunking providers and how to choose one in our complete buyer’s guide.

I am setting up an IP phone system for an office with 20 people. Can anyone recommend a reliable SIP trunk provider? We have a Grandstream UCM6208 PBX. Most calls made will be international. I am ...

SIP trunking is a cost-effective option for modernizing legacy phone systems with minimal disruption. Discover the best SIP trunking providers and how to choose one in our complete buyer’s guide. Most ...

This type of billing is quite common in the data world with Internet and MPLS services, so with VoIP/SIP, it is a natural migration. 20% of the phone bill, is the phone bill. Getting rid of the phone ...

If the provider offers the same QoS capabilities as the SIP Trunk service and the customer's interconnecting CPE, this can work in environments where the entire call is on the same provider’s network ...