ssaging are not necessarily associated with a fixed address. However, text messages are important in situations such as when a victim is hiding and does not want to be overheard. The FCC and wireless service providers are working together to resolve these issues. The 5G cellular protocol specifies cells with www.TechnicalPDF.com antennas close to each other, narrowing down the location identification. 911 is not universally assigned for calls to emergency providers. Most of Europe reaches Public Safety Answering Points by dialing 112, and in China people dial 120 for an ambulance, 119 for firefighters, and 110 for police. In Japan people dial 119 for medical and fire emergencies, but 110 to reach the police. APPENDIX Table 5-2 An Overview of Broadband Network Services Network Service Places Typically Used How Used 30 to 60 Megabit Commercial Internet access, services organizations connections to long- distance and local T1: 24 voice or data Being replaced telephone companies for channels 1.54 4Mbps voice and data, private Gigabit lines between company E1: 30 voice or data Ethernet sites. channels, 2Mbps plus one channel for Each channel = 64Kbps. signaling and one E1 is the European for framing and version of T1. remote maintenance T3: 672 voice or Large and Access to long-distance data channels, medium sized companies, Internet equivalent to 28 Tis organizations access, high-speed private lines between E3: 480 voice or Being replaced company sites. data channels by Gigabit Ethernet This is the European version of T3. www.TechnicalPDF.com BRI ISDN: Two Organizations Video conferencing; but voice or data new systems mainly use channels and one IP; supplanted by other signaling channel technologies. PRI ISDN: 23 Business and Call centers, voice/data channels commercial videoconferencing; PRI and one signaling customers ISDN has different channel in the speeds in the United United States States and Europe. 30 voice/data channels and one signaling channel in Europe Digital Subscriber Residential Internet access, Line