Books

FreePBX 2.5 - Powerful Telephony Solutions
Building Telephony Systems with Opensips 1.6
FreeSWITCH 1.0.6
Mastering FreeSWITCH
FreeSWITCH 1.2
FreeSWITCH 1.8

Based in the UK. All in good condition. Make an offer if your interested in individual titles, happy to let the lot go for £30 + postage/courier.