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  1. 17 Grandstream HT801 were registered and now only 4 with 3CX SBC

    I am starting to think its the firewall. The configurations are the same for the ones working and the ones not working, the SBC is up and the pbx is fine.
  2. 17 Grandstream HT801 were registered and now only 4 with 3CX SBC

    Hello all, Would appreciate any help on this. Running version 18.0 Update 3 (Build 461 )enterprise. Hosted by 3CX. I setup 3CX SBC on a windows machine and then followed the steps in the guide to add the SBC and the Grandstream HT801 for 17 faxes. Worked flawlessly. Customer had a power...
  3. Solved 3CX BLF input to Yealink T54W with EXP-50 module

    This is interesting and similar to Avaya.
  4. Yealink T48S Phones constantly disconnecting from system

    We have a small office with 5 phones. 4 of the 5 phones are constantly losing their connection. When this happens they can call out but can't receive calls. Worst part is that this affects the main receptionist phone. When I look at the activity log I see the following: 05/25/2018 11:02:50 AM -...
  5. Linksys PAP2 ATA registered but can't make or receive calls

    I get that in the activity log
  6. Linksys PAP2 ATA registered but can't make or receive calls

    I can receive calls, but can't place calls.. I get the following error: Status: 603 Decline
  7. Linksys PAP2 ATA registered but can't make or receive calls

    1. I have allowed extension to register from WAN (remote networks) 2. I didnt know what phone type I needed to put, but had to put one so that I could change provisioning type to Direct STUN and the interface to the public ip. 3. I will look at that. 4. No I haven’t run it, but will do so...
  8. Linksys PAP2 ATA registered but can't make or receive calls

    I have a Linksys PAP2 registered to a cloud 3CX server. I set the following parameters on the web admin page: Under SIP STUN Enable: yes STUN Test Enable: no In LINE 1 Line Enable: yes Nat Mapping Enable: yes NAT keep alive dest: yes Proxy: public ip of cloud 3cx Register: yes Make call...
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