Avaya is the leader in unified communications (UC) and contact center (CC). With Avaya, we help to simplify customers Unified Communication requirements. We mainly focus on IPO 500V2 implementation with different type of connectivity scenarios including PRI connection, SIP and analogue connection. The different models of Avaya IP phones are mentioned in top products section. With the credit of lots of Avaya IP Telephony implementation, we can guarantee the best way of optimized solution in the most cost effective way.