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Discussion on VoIP solutions of township business offices in Sanya Power Grid Company
Author(s): 
Pages: 32-34
Year: Issue:  9
Journal: TELECOMMUNICATIONS FOR ELECTRIC POWER SYSTEM

Keyword:  乡镇供电营业所VLANVoIP话音通信;
Abstract: 由于地理位置的限制,目前三亚电网公司各乡镇营业所只能通过电信外线电话或租用电信的2 M VLAN网络与公司进行通信,而且费用过高.在介绍了三亚公司现状的基础上,分析了VOIP实现原理及关键技术,提出了软交换IP语音电话解决方案.该方案通过租用电信的VLAN网络,利用VoIP技术实现H20-20程控交换机的扩客,解决了5个乡镇供电营业所拨打系统内电话免费的问题.
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