Zem Ultra

Zem Ultra High quality VOIP calls and easy to use.

• Crystal clear voice quality.

• Full branding option.

• Bandwidth saver for low bandwidth areas.

• Uses G729.

• Compitable with any switch server.

• Balance information.

• Loudspeaker.

• Call hold.

• Call history information.

• It work most of all android Phones.

• IVR.

•Add new contacts