As of Oct 27, 2026, 11:53 AM ET, the Understanding Session Border Controllers: Comprehensive Guide to Designing, Deploying, Troubleshooting, and Maintaining Cisco Unified Border Element (CUBE) Solutions is listed online by InformIT (informit.com) at $62.39; the store's feed doesn't report stock.
InformIT sells it online at informit.com. The price and stock here come from InformIT's own product feed, checked Oct 27, 2026.
| Option | Model no. | Price | Online availability | |
|---|---|---|---|---|
| Standard | 9780134645049 | $62.39 | Listed online (stock not reported) | Buy at informit.com |
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It costs $62.39 at InformIT, as of Oct 27, 2026.
InformIT's product feed doesn't say whether it's in stock. It lists it at informit.com; check there before you buy.
Enterprise and service provider networks are increasingly adopting SIP as guiding protocol for session setup and tear down, and integrating Back to Back User Agent (B2BUA) and Session Border Controlle