Hello,  I have Cisco SPA502G IP phone in different branch. I'm trying to register the phone to my third party PBX system by using company DDNS. The Cisco phone and the PBX located in different locations and different network.  I already setup the ext...

Hi, I'm Using SAP502G Cisco IP Phones normally with Third Party PBX provider inside the same network, Last week i purchased "Proxy" license from the PBX provider it makes me register the phone from other location and networks using this proxy and i c...

Hello,  I'm using third party VOIP PBX system in my company but i have Cisco IP Phones, I connect the PBX in DDNS so i can login in from anywhere. Now i have 2 new IP Cisco pones SPA502g & 8845 3PCC but it located in deferent location and deferent ne...

Helo All,  I have third party IPBX system in the company and i connect the PBX through DDNS so i can access the system from home. Now i have Cisco IP Phone model SPA502G and i don't have landline in the new place and i want to register the phone by u...

Hello All,  I just bought new Cisco phone model 8845 3PCC and i want to put new background in the phone but it's not working with me. I think that i need to make it through tftp but i don't know how to do it. Is there any steps i can follow to change...