Centrex or PBX: The Impact of IP .

A reference for those who are responsible for designing, upgrading and managing data networks to carry IP telephony (voice, video and data) or for those who need help in evaluating competing IP-Centrex and IP-PBX systems or for those who need guidance in specifying the parameters for a service level agreement for IP-Centrex.

Authors: John R. Abrahams

Date: 2017

Upload Date: 7/18/2018 8:44:13 AM

Format: CHM

Pages: 1

OCR:

Quality:

Language: English

ISBN / ASIN: 158053497X

ISBN13:

[ad_1]
[ARSocial_Lite_Locker id=1]
Please click here——->Free down
[/ARSocial_Lite_Locker]

[ad_2]