cisco

  1. Phonebook for Cisco 88xx and 78xx

    How do I get dialed numbers to show the corresponding contact name? It works fine the other way round. Any help will be greatly appreciated.
    • msude
    • Thread
    • cisco cisco 7821 cisco 7841 cisco 8851
    • Replies: 1
    • Forum: Other
  2. collies.

    SIP Provisioning Password Incorrect Error

    Hi! So I was trying to provision mine Cisco CP-8851 (non 3PCC) by using sip details from mine 3CX ext. numer on PBX and everything was fine, I typed the data (account login and password) to SEP file on TFTP server to make this phone work but it didn’t connected to the server, while I was...
  3. ronenba

    Cisco Meraki with hosted 3CX provisioning doesn't work properly

    we have hosted 3CX PBX, we are having an issue provisioning Are there any settings that need to be addressed on the Meraki firewall (the PBX hosted by 3CX) For another system we have behind Fortinet we needed to disable ALG and it is working, again the PBX hosted on 3CX servers Do any...

  4. Cisco SPA 525G2 Support with v18 of 3cx

    Hello everyone, After countless emails and contacts with over 8 partners, i am unable to configure the Cisco SPA525G2. My problem is the firmware that ive uploaded (according to https://www.3cx.com/sip-phones/cisco-spa/) does not detect it. Ive installed v15 of 3cx but couldnt connect to their...
    • bgarv7
    • Thread
    • cisco help server
    • Replies: 2
    • Forum: Other

  5. Unsupported Cisco CP-8851 AutoAnswer with 3CX

    I'm trying to get Cisco AutoAnswer working. I'm looking for a method to, when a phone receives a call from a specific extension, automatically answers it with the speakerphone. The Cisco Cp-8851 is on extension 1000. The paging extension, or the extension I want to have it to automatically...
    • brnan
    • Thread
    • cisco cisco 8851 paging
    • Replies: 0
    • Forum: Other

  6. DHCP Options

    Hi guys we will implement 3cx system with a fanvil ,snom and yelink Ip Phones and i have a question related to IP Phone dhcp , the ip phones will be connected through L3/2 cisco switches .. should i use IP Option 132 or 66 or 150 " Like cisco " in the DHCP pool configuration in the cisco core...

  7. Unsupported Cisco 6941 Example Config

    Does anyone have a working Cisco 6941 config? I tried to use this https://en.58voip.com/convert-cisco-6921-6941-6961-phone-sccp-sip-protocol/ but it does not work. I get "Authentication failed for AuthFail Recv Req REGISTER from" I also tried this...
    • vvooiipp
    • Thread
    • 6941 cisco sip
    • Replies: 3
    • Forum: Other

  8. Solved SIP Message Exchange in a 3CX-App / Trunk to PSTN Setup (Req. Reference)

    Hi folks First of all thanks to the team for this software. The admin webgui is clean and things are straight forward to configure and everything feels pretty fast and responsive compared to other solutions (config changes are applied almost immediately and even service restarts are pretty...
    • Toby&Dave
    • Thread
    • 3cx tunnel app b2bua cisco cube invite mobile sbc sip trunk
    • Replies: 3
    • Forum: Other
  9. iw-lance

    Cisco 8841-3PCC BLF Issue

    Preface: I understand that this phone is not supported by 3CX, however for personal use it has been fantastic. I have gotten basic and advanced calling features working without a single issue/reliability breakdown so far. However, I am having one small issue. When configuring BLF, everything...
    • iw-lance
    • Thread
    • blf not working busy lamp fields cisco cisco 8841 unsupported sip phones
    • Replies: 4
    • Forum: Other

  10. Yealink T27G - Cisco 3650 QoS Question

    We are migrating from Cisco phones to Yealink phones. This Yealink model supports CDP and I can see the phone via show cdp neighbor interface command on my Cisco switch. We are running the usual auto qos commands: interface GigabitEthernet1/0/24 description switchport access vlan 110...
    • amir_
    • Thread
    • cisco qos yealink
    • Replies: 1
    • Forum: Yealink

  11. Multiple 3CX system installation on SD-WAN network

    I am considering the installation of 4 3CX PBX systems for different office locations. One office is located in the UK. Our offices are connected using an SD-WAN network based upon MPLS and Internet connectivity using Cisco routers, Fortinet firewalls and SilverPeak EdgeConnect SD-WAN...
    • dashbrook
    • Thread
    • branch office cisco decentralize internet new install new installation new to 3cx sd-wan wan
    • Replies: 7
    • Forum: Phone System / PBX

  12. 3CX Trunk Issue with Cisco SIP Gateway

    Hello Every one. i have a Cisco 2951 that connected to ISDN service and provide a SIP gateway for my freepbx server. this scenario is works fine, inbound and outbound call works together without any issue. i try to change the freepbx to 3CX, i was change only the IP address on cisco...
    • a.giledi
    • Thread
    • 3cx cisco sip
    • Replies: 3
    • Forum: Other

  13. Cisco phones with no iDivert

    We are using the Cisco 7941s and they are mostly functioning as we wish. Except we are unable to iDivert or Decline calls (either direct or queue calls) to voicemail (or back to the queue). I've looked over the cisco_softkey.xml file and it seems complete (from what I can tell), but they only...

  14. Cisco to 3CX Migration / Flowroute - AudioCode SBC Queries

    1. I'm curious to know if there are other current 3CX clients who migrated from Cisco IPT to 3CX. It takes 12 Cisco VMs to operate our medium sized business. We can do everything we currently are doing PLUS other great features with 3CX in one VM. 2. SBC We currently have Flowroute SIP...

  15. Timing out issue with Cisco 7941 IP phones

    Hey guys, So recently we set up a whole bunch of Cisco 7941 IP phones for a client, everything went well initially, but now we have this weird issue where after 6+ hours of the phone being on it will stop being able to make calls if we hit redial after trying to make a failed call, the...

  16. Install TFTP Server on Lightsail

    There are a couple of extra steps needed to install a TFTP server on Lightsail in order to provision Cisco 7940/7960 phones that are not well documented so I'm just recording the steps for anyone who needs them. Setup an ftp connection to your instance...

  17. Cisco 8831

    Hi all, Has anyone had luck integrating 3CX with a Cisco 8831? I followed some examples I found on this site and Cisco's but I cannot get the phone to register with 3CX. Connectivity is good and am seeing the Cisco pull files from my TFTP server. I know it's not supported but this is a special...
    • Matt_NM
    • Thread
    • 8831 cisco cisco 8831 unsupported unsupported configuration unsupported phones
    • Replies: 1
    • Forum: Phone System / PBX

  18. Call goes straight to voicemail.

    I have a Cisco 7941 IP phone setup with Two extensions I could not figure out how to set up two extensions easily so I edited the Config file I can receive calls on the extension the phone was provisioned on but Can not on the other extension I can make Calls tho. Does anyone know what the...

  19. Can you have Yea Link and Cisco phones on the same 3cx pbx?

    We have all yealink phones at our office, but we have cisco IP phones at another location that is going to be moving into our building. Is it possible to mix manufacturers? The issue I am seeing is the provisioning link is different for Yealink and cisco and i believe you can only have one of...

  20. Need help provisioning Cisco 7960 on Pfsense

    Hi All, Can someone guide me into the right direction on how to provision cisco phone 7960 on my pfsense firewall? tried everything and still no luck... upload all the necessary files from 3cx website into tftp on debian box and still didn't work...
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