On-Premise IP Phones
Superb sound quality and flexibility modernize your office. Our On-Premise IP phones allow real-time collaboration and conferencing with low monthly overhead.
Browse Our Supported Phones
![Zultys Z2 Series](https://images.prismic.io/calcommsystems/5dec5223-834b-4ace-9669-fec5fcbf8233_Zultys+Z22G.png?auto=compress%2Cformat&rect=116%2C125%2C981%2C981&w=828&fit=max)
Zultys Z2 Series
by Zultys
High performance and feature loaded models with affordability in mind. Models include the Z 23G, Z 22G, and Z21i.
![Zultys ZIP45GE](https://images.prismic.io/calcommsystems/5f81ed6b-8877-4488-b462-8a62dde1179b_Zultys+ZIP45GE.png?auto=compress%2Cformat&rect=225%2C129%2C961%2C961&w=828&fit=max)
Zultys ZIP 45GE
by Zultys
The Perfect Phone for the Enterprise-Class User. The ZIP 45GE is a robust, reliable, and customizable IP phone. 3.7” backlit graphical display and dual Gigabit Ethernet ports.
![Zultys ZIP440M](https://images.prismic.io/calcommsystems/3c4574e4-22ac-4b7c-bf38-c7e4d6338d1f_Zultys+ZIP440M.png?auto=compress%2Cformat&rect=0%2C0%2C1200%2C1200&w=828&fit=max)
Zultys ZIP440M
by Zultys
The ZIP 45G may be combined with up to three ZIP 450M Color Expansion Modules to facilitate up to 180 additional LCD-labeled keys.
![Zultys ZIP450M](https://images.prismic.io/calcommsystems/553fb941-205e-46b2-bc7b-ddf588cb300a_Zultys+ZIP450M.png?auto=compress%2Cformat&rect=0%2C0%2C1200%2C1200&w=828&fit=max)
Zultys ZIP450M
by Zultys
The ZIP 49G may be combined with up to three ZIP 450M Color Expansion Modules to facilitate up to 180 additional LCD labeled programmable keys,
![Zultys ZIP47GE](https://images.prismic.io/calcommsystems/08f6075b-5725-4eee-ac7c-77dc42b23596_Zultys+ZIP47GE.png?auto=compress%2Cformat&rect=223%2C134%2C930%2C930&w=828&fit=max)
Zultys ZIP47GE
by Zultys
The Ideal Phone for Busy Executives. Combining a hi-resolution color display, dual Gigabit Ethernet ports, and full compatibility with the ZAC UC solution.
![Zultys ZIP49GE](https://images.prismic.io/calcommsystems/2c26cc7c-93cc-4bff-afe0-7f8d86dd8f37_Zultys+ZIP49GE.png?auto=compress%2Cformat&rect=226%2C199%2C844%2C844&w=828&fit=max)
Zultys ZIP49GE
by Zultys
The Smart Media Phone. Combines productivity enhancing visual communications with the flexibility of the Android operating system.