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What are phone switches?
Telephone switches route calls through the PSTN (Public Switched Telephone Network).
Telephone switches in use include:
SWITCH VENDOR TYPE DESCRIPTION 1AES Lucent Analog No. 1A ESS 1ES Lucent Analog No. 1 ESS 2BES Lucent Analog No. 2B ESS 2ES Lucent Analog No. 2 ESS 3ES Lucent Analog No. 3 ESS 3XB Lucent E/M No. 3 Cross-Bar 4ES Lucent Digital No. 4 ESS 5AXB Lucent E/M No. 5A Cross-Bar 5ES Lucent Digital No. 5 ESS 5ORM Lucent Digital Optical Remote Module 5RSM Lucent Digital Remote Switching Module 5XB Lucent E/M No. 5 Cross-Bar AXE10 Ericsson Digital Stand Alone or Host AXRSS Ericsson Digital Remote DGTL Digital Generic Digital Switch DMS1/200 Nortel Digital DMS 100/200 Local Switching System DMS10 Nortel Digital DMS 10 Carrier Class Switching System DMS100 Nortel Digital DMS 100 Local Switching System DMS200 Nortel Digital DMS 200 Local Switching System DMS250 Nortel Digital DMS 250 Long Distance Tandem Switching System DMS500 Nortel Digital DMS 500 Local and Long Distance Switching System DPN Nortel Packet DPN Packet Switch EDX Siemens Packet Packet Switch NC23 NEC E/M NEC Cross-Bar NEAX61E NEC Digital NEC switch RLCM Nortel Digital Remote Line Conc Module RLCM-10 Nortel Digital Remote Line Conc Module RLM Nortel Digital Remote Line Module RSC Nortel Digital Remote Switching Center RSCI Nortel Digital ISDN RSC RSLE Nortel Digital Remote Subscriber Line Equipment RSM Lucent Digital Remote Switching System RSS Lucent Analog Remote Switching System RSU Digital Generic Remote Switching Unit SXS Lucent E/M Step by Step
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