Muhammad Irfan is an experienced Signaling Engineer at du since October 2015, specializing in STP, DRA, and NetNumber Signaling Firewall for SS7 and Diameter protocols. Expertise includes signaling integration, routing, international roaming for 3G/4G/LTE, and mobile/fixed number portability, along with HLD/LLD documentation and system KPIs dimensioning. Prior to du, Muhammad served as Team Lead STP at Ericsson Du Managed Service from May 2009 to October 2014, successfully establishing connectivity with over 100 international voice carriers and leading team migration and expansion efforts. Earlier experience includes a role as Senior Core Engineer at Ufone GSM from April 2005 to June 2009, where Muhammad completed significant core network projects, including MNP and geo-redundant setups. Muhammad holds both an MSc and a BSc in Telecommunication Technology from the University of Sind.
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