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Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 32-in 160-out Main Control Storage Large

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 224 Extension E1 Supports Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 32-in -96-out Main Control Storage Large

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 8-in 208-out Main Control Storage Large

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 8-in 160-out Main Control Storage Large

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 32-in -64-out Main Control Storage Large

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 192 Extension E1 Supports Remote Extension

Baoyou Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800B 16 in 784 out Military Quality

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A E 2 128 Extension Supports Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 Extension E1 Support Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 in and 176 out of the main control storage capacity is large.

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 32-in 112-out Main Control Storage Large

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 208 Extension E1 Supports Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A E2 80 Extension Support Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A E2 16 Extension Support Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 64 in and 144 out to Support Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 80 in 128 out to Support Remote Extension

Hengjie Communications Digital Program-controlled Telephone Exchange HJ-E800A 16 Extension E1 Supports Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 in and 176 out to Support Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 in and 48 out to support remote extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A E 1 176 Extension Supports Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 32 in 208 out to Support Remote Extension

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 112 extension E1 supports online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A E 2 128 extension supports online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 192 extension E1 supports online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 80 in and 144 out to Support Online Upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 in and 48 out to support online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 16 in 48 out to support online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 144 extension E2 supports online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 extension E2 supports online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 64 in 80 out to support online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800B 16 in 768 out of Military Grade Quality

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A extension 64 E1 supports online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 in and 64 out to Support Online Upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 16 in and 128 out to Support Online Upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 48 in and 144 out to Support Online Upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 80 Extension E1 Expanding Capacity

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A E 1 160 extension supports online upgrade

Hengjie Communication Digital SPC Telephone Exchange HJ-E800A E1 32 extension support online upgrade

Hengjie Communication Digital Program-controlled Telephone Exchange HJ-E800A 32 in 112 out to support online upgrade