December 2018 – afterthenumber

IOS-based Tcl IVR Solution for Pre-Call Media and Business-Hours Schedule Announcements

Overview I’ve recently written a Tcl script using Cisco’s Tcl IVR Voice Gateway API. The script provides Time of Day routing. It offers the ability for streaming audio… Read more “IOS-based Tcl IVR Solution for Pre-Call Media and Business-Hours Schedule Announcements”

Cisco licensing is as best a mild irritation, but in reality, an impossibly poor, yet growing set of ill-conceived disparate implementations. IOS-XE and IOS v15.x licensing is… Read more “Uncovering IOS 15.x and IOS-XE Licensing for the Uninitiated”

Overview It is often necessary or useful to analyze a specific table’s columns and their associated data types when constructing queries for CUCM, CUCxN, UCCX etc. However,… Read more “Analyzing UC Application Informix SQL Tables, Columns and Data Types”

Overview Recently had a customer which wanted to connect to a public ITSP (Flowroute). Their network design required a dual-interface CUBE deployment model, with an “inside” private… Read more “Supporting CUBE NAT Integrations without Firewall ALG”

Finding custom Jabber configuration files can be a pain. These are set via a “Remote Support Field”, which internally to CUCM is stored inside a vendorConfig when… Read more “Finding Jabber devices with Custom Configuration Files”

A customer had a multi-site deployment, with 30,000+ extensions, but is facing problems with dialing from missed calls directory not working for random users, generating on-going tickets… Read more “Finding Incorrectly Provisioned Extensions on CUCM with SQL”