Broadsoft/Cisco Unified Communication (UC) Broadworks Solution

Cisco EMEA Telco Professional Services.Broadsoft IP VPBX/AS for NGN deployments (UNI-NNI SBC interface) and IMS deployments (S-CSCF interface).VoIP and Unified Communication (UC) services.Projects for BT, Telefonica, Vodafone, Telenor, DT, TIM, Orange. HLD & LLD documentation.VoLTE traffic integration on BWKS NGN native architecture (Ericsson SBG to BWKS NS-AS).‘WebEx for Broadworks’ Integration.Installation, Configuration and Troubleshooting of Broadsoft (BroadWorks) nodes: AS, NS, PS, MS, UVS, DBS, EMS, NFM, SCF, XSP, UMS (Messaging & Presence Server), USS (Sharing Server), WRS (WebRTC Server).Integration with Polycom, Yealink, Snom, Cisco IP Phones. AudioCodes SIP Trunks.Desktop/Mobile/Thin Clients (UC-One, Webex).AWS Cloud Computing UCaaS hands-on experience: VPC, EC2, IAM, S3, Route53, CloudWatch, etc. CPaaS.Terraform for automatic Infrastructure-as-Code (IaC) resource management.Ansible Ad-hoc Commands & Playbooks for Configuration Management Automation targeting Linux application servers.BigData: ElasticSearch, Logstash, Kibana (ELK stack) for AS Log/CDR/Data parsing and indexing for Customized Analysis.Presentations and Training classes delivered at SP premises.Resident Engineer for a specific Service Provider, supporting customer in new features/deployments integration, upgrades and their internal end-user Delivery&Assurance processes (enterprise service configuration and SIP, H248, ISUP, Https end to end protocol analysis).

(same as above)

Application System Verification and O&M activities on Alcatel-Lucent nodes, based on OSP platforms.Network Services based on SIP, CAPv2 and INAP protocols. Real Time Charging (RTCC), VPN (Virtual Private Network), CMM, ECN, AFS (Freephone), IM-SSF services. Functionality for IMS users to access Freephone and VPN Services on SCP nodes via ISC interface.Functionality for IMS subscribers to access IVR call flows over ISUP protocol.SIP Signaling, SDP Offer/Answer, 3rd Party Call Control practices, SIP Routing,MRFc-MRFp H.248 protocol, Wireshark Tracing.Solaris, HP Unix, Linux, Oracle as platform 3rd Party Products.Acquired Technical Competence on:IMS Core x-CSCF, SLF/HSS, DNS/ENUM, SBG, MGC: Interfaces, Signaling and Procedures.VoLTE: Service Domain Selection (O-SDS,T-SDS) and Access Domain Selection (T-ADS) Services on SCC-AS,SRVCC v9-v10 Service on SCC-AS for IMS Call Continuity during LTE 2G/3G Handover. ATCF/ATGW for Session/Media anchoring. TAS for MMTel and Supplementary Services. GSMA IR.92 Profile and Call Flows.RCS / RCSe for IMS messaging and Contents Sharing (Unified Communications – UC).

CS-IMS applications interworking (CAMEL/SIP - ISUP/SIP).Enterprise GSM subscribers triggering own originating and terminating features defined on IP-Centrex (SIP-AS).IMS Residential and Centrex Services, Call Manager, Personal Assistant, Receptionist (Ericsson/BroadSoft).Multimedia Telephony Application Server (MTAS): MMTel Services, IMS Centralized Services (ICS) for 2G/3G UE anchoring in IMS service domain (O-SDS, T-SDS Services), Scheduled Conferencing Service.Definition of multiple triggers to SIP-AS and IM-SSF during the same call via SCIM and Trigger Priority in HSS.CS-IMS Service Layer Applications Convergence.Enterprise VPN Centrex (Virtual PABX based on Mobile Terminals only). For ‘Orange Spain’.Ring Back Tone Service (to play a specific audio clip to each caller in place of classic alerting tone). For ‘Yoigo’.Mobile Presence ‘Push’ Service (SCIM, CAPv4, NGIN, PGM). To present on a GUI the real time status of all Enterprise-related 2G/3G Terminals. For ‘Vodafone Spain’.Presales activities for MU Iberia – Multimedia Segment.Enterprise oriented TLC Solutions and Services. Porting of service layer applications from the Ericsson SCP-SMAS platforms to the Ericsson TSP/INS platform (‘Orange Spain’).E-SDP Solution for automatic massive SMS-MMS generation from private service providers.Cost Control VPN (Customized VPN3.0 + CS3.0) for TIM Brazil. Combines the VPN service with the prepaid functionality.Collection of statistical information from the network to judge the Performance & Reliability of MobiNil services and platforms (KPIs).

Virtual PBX (Mobile Centrex 1.0) for GloBul Bulgaria. The whole Enterprise solution including the following functionalities: VPN, NRG (Parlay Gateway), IVR, and SMS-C.RFI, RFQ, RFP’s for Service Layer projects in Romania, Bulgaria, Serbia, Moldova.Products/Solutions Presentations in South-Eastern European countries.Virtual PBX (MCX) pre-sales activities in Bahrain (Batelco). Switchboard functionality for Enterprises based on mobile terminals only.Service Layer Business Development activities.Competence Development on IP Multimedia Subsystem (IMS): 3GPP Architecture, SIP, Diameter.

Technical Coordinator in the Service Design & Customization Center.During this period I wrote the design specifications for the following network services:Prepaid Account, Prepaid Calling Card, Access Screening, I&B (Freephone), Cashless Calling Services, Group Screening & Routing, Mobile Collect Call (MCC), CVPN service for TIM Brazil – TIM Peru – TIM Bolivia – TIM Venezuela.Competence Development on MMC (Multimedia Messaging Center) and relevant protocols MM1-MM7 (OMA)Competence Development on Parlay/OSA 4.0 applications: Intelligent Network Call Handling & Multimedia.

Network Services Design, Network Operations and Maintenance:Service Creation based on CS1, CS1+, CAPv1, CAPv2 protocols,SMAS Installation , Trouble-Shooting on SMAS/SCP nodes , MSC/SSF Trigger Tables for SCP triggering.Design of the following locally requested services: Short Dialing (VPN-like service) , Organizer (Call forwarding service) , Location Dependent Routing Services, Short Code Dialing (HPLMN service access when roaming in Greece), CAMEL Ph.1 and Ph.2 Network compliance test scripts , Roaming Prepaid Terminating Access Service.Installation, acceptance tests and on-site maintenance for the following standard services: MVPN 2.2.2 (Virtual Private Network service) , I&B 2.2.2 (Freephone services).

IN Services designPersonal Number service customization. Installation and testing (ST, PVV, PQR).

A simulator, developed in “C”, to simulate the presence of more network operators accessing simultaneously a TMOS subscriber provisioning system (KPIs).Network supervision system (OSS) installation, testing and customer support (SunOS, Solaris, Sybase).Knowledge and procedural usage at customer site of OSS related applications: PMA (Network Performance Mgmt.), FMA (Fault Management), CNA (Cellular Network Administration).