avelengths, 310 spectrum used for, refarming for 4G technol- Short Messaging Services (SMS), 306, 340 ogy, 389 Siebel Systems, CRM software, 95 Secure Sockets Layer. See SSL signaling, 207-211 security basis for billing and monitoring, 208 Akamai Technologies, security services, 31 co-location facilities, 209-211 cloud computing and, 27, 45 comparison between analog and digital common security protocols used on access signaling, 46 networks, 231-233 H.323 signaling standards, 101 on extranets, 301 incompatibilities in SIP implementations, 209 increasing at peering sites, 206 incompatibilities in types used in mobile Internet, 207 devices, 322 Internet, threats to, 274-278 in mobile wireless networks, 208 attacks on enterprises, 275 transmission of DSL signals over higher combatting with user training, 278 frequencies, 242 cyber countermeasures against, 276 signaling gateway service node (SGSN), 331 cyber terrorism, 274 Signaling System 7 (SS7), 208 security breaches by insiders, 277 signals on intranets, 300 attenuation, 39 IP telephony systems, 76 transmission in fiber cables, 42 IP VPN access, 231 wireless signals leaking into adjacent spec- in large, private networks, 251 trum, 320 managing on WLANs, 374 signatures (DPI patterns), 12 mobile devices in enterprises, 355 Silverlight, 17 Index SIM (subscriber identity module) cards, 322 worldwide standards on capacity, 213 in Africa, 405 SONET (Synchronous Optical Network), 171 in India, 399 Gigabit Ethernet versus, 172 use in China, 396 older MANs using to transmit traffic to head- Singapore, 392 ends, 187 Singapore Telecommunications (SingTel) 6, 392 ring topology with, 173 single-mode versus multi-mode fiber, 43 Sonian Networks, 32 SIP Forum, 209 Sony, 284 SIP (Session Initiation Protocol), 72, 76, 102 South Africa, 405 compatible trunks, 84 MTN Group, Ltd., 406 incompatibilities in SIP implementations, 209 Southeast Asia, 392 interfaces on newer VoIP systems, 221 South Korea, 392 in UC (unified communications), 90 CDMA2000, 328 use on IP networks for signaling