28
Sep

GNS3 (dynamips) and Voice-Labs

Welcome back!I hear often that it is hard to practice/demo voice related configurations with GNS3. This is only partially true. It is correct that GNS3 cannot substitute Multiservice routers like 28xx etc because the DSP resources cannot be emulated. For using T1/E1 or FXS/FXO connections you need the real hardware interfaces and of course another [...]

28
Sep

Convert Cisco IP-Phone from SIP to Skinny (SCCP) and reverse

Written by Brandon Carroll  |  under CCVP Study, iphone

I have often been asked for a quick way to convert a Cisco IP-Phone between SIP and SCCP. People get their IP-Phones often from E-Bay or other 2nd hand resource for testing and practicing and they may receive them with the ”other” phone load they didn’t want. The easiest way to convert is via Autoregistration. With [...]

20
Aug

CIPT1 test closing in on me.

Well it’s been an interesting week for me.  I took a little down time to camp with the kids.  I spent a few days over on Whidbey Island at a camp site on the beach.  It was pretty relaxing but in the back of my mind I knew I had this CIPT1 test coming up. [...]

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