ESI Communications Server ESI50 Phone System (6 Port, 15

Esi 50 Communications Server. ESI Communications Server ESI50 Phone System (6 Port, 15 All service must be referred to the Reseller for further handling Note: The ESI-50 can be in an Esi-Link network with only other ESI Communications Servers running certain system software

Additional licensing (not included), required to activate the IVC channels to add IP phones and/or Esi-Link channels to network to other ESI systems PRI on ESI-50; PRI and T1 on ESI-100, ESI-200, ESI-600, and ESI-1000

ESI 50000655 Communications Server 200 Base With Upgraded 24

Additional licensing (not included), required to activate the IVC channels to add IP phones and/or Esi-Link channels to network to other ESI systems The ESI-50, ESI-100, ESI-200, or ESI-1000 can support a traditional business phone system, a fully standards-based IP telephony system, or a combination of both Each ESI Communications Server's Verbal User Guide includes all of the information printed in the User's Guide (except for special features).

ESI Communications Server 200 (ESI200) 50000451 Plastic 7 Slot KSU. To support certain ESI Communications Server features, the entry-level ESI-50L Communications Server must be upgraded to an ES I-50 Communications Server; for more details about this, please consult your Certifi ed ESI Reseller The ESI-50, ESI-100, ESI-200, or ESI-1000 can support a traditional business phone system, a fully standards-based IP telephony system, or a combination of both

ESI Communication Server 50 (ESI50) 50000508 Main KSU with 2 Port 15. View online or download Esi ESI-50 Phone System User Manual, Installation Manual Both digital and IP-based (Hybrid) Standard-based design (including SIP.