Hi all,   Now i implement ISR4321 with 2 port E1. My customer have 30 telephone number. Can Service provider merge/combine 30 telephone number to 1 line E1? Sorry because I don't know more about voice PSTN. 

Hi all,   I'm trying to add contact to DX80 CE9.4 (around 100+ contact). But when added about 40 contact, i facing issue as picture attach.  I reload page and adding continue but contact can not display in webGUI. In DX80 screen, i can see contact is...

Hi all,   We have CUCM 10.5.1.10000-7 and DX70 Android base version. We want to convert DX70 from android to CE software.  I have found package but it seem like have not any package for this CUCM firmware. So now what thing we need to do with this si...

Hi all, I am facing an issue. I have 2 SX20 TC7.3 (A & B) is registered via MRA with VCS-C/E X8.6. When i call point to point between them, sometime, in SX20 B have no video, just have audio in few minutes. At this time, SX20 A still have video/audio...