C

Caesar Cipher, 148

Cain and Abel tool, 160163, 171177

call pattern tracking, 149, 158159

caller ID, 470471, 490, 491

callers , 470471, 501

CallManager. See Cisco CallManager

calls. See also conversations; phone numbers

call pattern tracking, 149, 158159

dropping, 197, 453

eavesdropping on. See

eavesdropping attacks

listening to with sip_rogue, 191194

quality of, 122130

redirecting, 198

sending all inbound, 454

swapping, 453454

tracing with SCCP, 212217

CallVisor (CVLAN), 258

CANCEL requests , 58, 80, 464

CAPTCHAs (Completely Automated Public Turing Test To Tell Computers and Humans Apart), 502503

case studies

capturing VoIP conversations, 120

Google hacking, 25

rtpmixsound, 366367

shutting down vendor VoIP system, 202203

SPIT-generation operation, 484485

VoIP vendors , 18

CCM. See Cisco CallManager

CDP (Cisco Discovery Protocol), 221224

Cerf, Vert, 122

Checkpoint, 358

check_sync_reboot tool, 467468

Cheops tool, 42

Cisco 7940/7960 Series phones, 336

Cisco CallManager (CCM), 205250

authentication, 248250

basic components , 207217

basic deployment scenarios, 229

CSA, 244245

DHCP snooping, 224, 246, 247

DoS attacks, 241245

eavesdropping attacks, 245250

encryption, 248250

enumeration, 237240

flooding attacks, 240241

Google hacking, 220221

IIS and, 245

installations, 20

interception attacks, 245250

network exploitation, 240250

network reconnaissance, 220240

OS exploitation, 241245

overview, 206207

patch updating, 243244

scanning, 224236

SCCP, 210217

sniffing attacks, 221224

TCP SYN scan, 4446

viruses, 244245

Cisco devices. See also devices

Google hacking, 220221

phones. See Cisco phones

routers, 217

switches. See Cisco switches

Cisco Discovery Protocol (CDP), 221224

Cisco IP Communicator, 210, 352

Cisco phones

example of attack on, 148

hard phones, 207210

hardening, 247248

SCCP, 210217

softphones, 210

VoIP phones, 207210

Cisco Policy Manager, 125

Cisco routers, 217. See also routers

Cisco Security Agent (CSA), 244245

Cisco softphone client, 210

Cisco SRND document, 217219

Cisco switches. See also switches

described, 217

hardening, 246247

port security, 183

Scavenger class QoS, 241

Cisco Unified CallManager, 233235

Cisco Unified CallManager Express, 207

Cisco Unity Server, 224230

Cisco Unity voicemail, 217

Code Red worm, 373

codecs

audio, 65

delays/congestion and, 123

G.711, 65, 195, 471475

Codenomicon SIP test tool, 371, 384, 385

Communities@Cisco, 20

community ports, 155

community strings, 42, 288, 295

Completely Automated Public Turing Test To Tell Computers and Humans Apart (CAPTCHAs), 502503

compressor/decompressor. See codecs

configuration files

SIP phones, 45

TFTP, 95100, 148, 157158

conversations. See also calls

analysis of, 149

eavesdropping on. See eavesdropping attacks

encrypting, 164165

extracting touch tones from, 164165

corporate locations, 1112

corporate security teams , 372

corporate security tester, 385

CounterPath X-Lite SIP softphone, 375383

CSA (Cisco Security Agent), 244245

CSI/FBI Computer Crime and Security Survey for 2005, 10

CSRC count, 64

CSRC identifiers, 64

CVLAN (CallVisor), 258

Cyveilance service, 22