User agents are typically phones (POTS, mobile phones, soft phones, IP-PBX devices, and so on), but can be any SIP-enabled device.
用户代理一般是电话(POTS、移动电话、软件电话、IP -PB X设备,等等),但可以是任意的允许SIP的设备。
User agents are typically phones (POTS, mobile phones, soft phones, IP-PBX devices, and so on), but can be any SIP-enabled device.
用户代理一般是电话(POTS、移动电话、软件电话、IP -PB X设备,等等),但可以是任意的允许SIP的设备。
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