Phones for CCNA Voice/CCNP Voice Lab

redfrick

I see a lot of lab setups running mixed phone models, this may be a noob question but is there a reason why? I ask because I am building a voice lab and I have a bunch of 9951s lying around I can use. Should I order some older models?

jahsoul

I see no issue with using the 9951 but you will have to get at least 1 other phone that supports SCCP. The 99xx series is SIP only so you would not be able to lab SCCP (well, theoretically, you could put in the commands but you wouldn't be able to test against a phone).