cisco 7821-k9 sip protocol professional freelancer

Job ID: 37926728

Budget: $10 – $30 USD

i need someone to teach me how to upgrade firmware of cisco 7821-k9 to make it use sip protocol to hook it up on asterisk pbx

More details:

Which specific features do you require for your Cisco 7821-K9 SIP protocol project? upgrade firmware , connect it to asterisk as sip extension
Which version of firmware would you like to upgrade your Cisco 7821-K9 SIP protocol to? Latest firmware version
What functions do you require for the SIP extension with your Asterisk system? Call Recording, Call Transfer, Multi-Line Functionality

thank you very much
Related categories: Linux Software Architecture Asterisk PBX Cisco VoIP