Voice over IP

Hi,We currently use Yealink phones across our network, but I picked up a cheap SPA504G for my office as the Yealink phone stopped working. I assumed I could just plug in the phone and it would work in the same way, but I can't seem to get a dial tone...

The ssl certificate for linksys-conf.neotel.com.mk that our spa2102 devices use for remote configuration is expire.Could you please give me contact(information) so that I can renew the certificate?

I have an ATA 192 analog telephone adapter, connected via a Swisscom Internet Box. Although the ATA connects to the Internet fine, and recognises when the telephone is off-hook, I can't get a dialtone. Swisscom tech Alexander Faury has spent a consid...

Hello all,We are using the services of Nextiva for calling from Salesforce CRM.So once we make a call from Salesforce using Nextiva's Go Integrator Application then it creates the call logs in salesforce.But we also want to access the previous call l...

Hello all, Working on CUCM 10.5. When I try to manually give a phone a number in CUCM, it accepts it, but then I am unable to receive calls on the new number I have just assigned. Working mostly with 7962's.Thank you in advance! 

just wanted to check the below scenario is under TRAI .User call AIRTEL DID from cellphone and call hits Call Manager via Airtel PRI ( as a TDM call ).Can we transfer this call to over SIP trunk to TCL provider to route to international number .

Hi, I just got my work-from-home kit, and in order to complete the set up, I need to disable the SIP ALG - I am not fluent in this topic at all. I have a Cisco Router it says Model DPC3825 - I see in forums they tell everyone to switch controls but I...

Hi, I am trying to fix a problem with Cisco ASR 1002-X. The client is not giving me proper feedback and I had to find it by myself. When I turn on the Router it gives me some errors and messages, I tried to to go to ROMmon mode by pressing Ctrl + Bre...

Hello community, I have encountered this problem: I can't install the cm-locale-nl_NL-12.5.1.3000-1.cop.sgn on CUCM v12.5.1.13900-152.I receive the error: Error encountered: An unknown error occurred while accessing the upgrade file.I have attached t...

Hi, Is there anyone configured cisco communication manager (CUCM) for direct calls to SIP Trunk provided by the Service Provider (Without Voice Gateway or CUBE)? I am looking for configuration steps Thanks

hiis there any way to install two evm hd 8fxs on the 2821 router?

Hello, is there any way to make VoIP on Cisco Router 2911 in Packet Tracer? (Version 8.1.0).We tried telephony-service way, but it cant be used on this router. Thank you