As all Grandstream IP phones do, the GXP1620/1625 features state-of-the-art security encryption technology (SRTP and TLS). The GXP1620/1625 supports a variety of automated provisioning options, including zero-configuration with Grandstream’s UCM series IP PBXs, encrypted XML files and TR-069, to make mass deployment extremely easy.

gxp1620/1625是一款功能丰富、简单易用的基础级ip电话，适用于中小型企业和soho办公通信。 这款基于Linux平台的话机支持2个SIP账号，2条通话线路，3个可自定义功能的软按键，高清语音和

gxp1620/1625是一款时尚且简单易用的基础级ip电话，适用于中小型企业办公通信。 这款话机支持2个SIP账号，2条通话 线路，3个可自定义功能的软按键，高清语音和3方会议。

In summary, the Grandstream GXP1625 is a DECT telephone designed for office use. It offers features such as speakerphone, intercom, conference call, call forwarding, call waiting, and call hold. With its multi-language support and large phonebook capacity, it provides convenience and flexibility in communication.

The GXP1620/25 is a reliable Basic IP phone for the user who requires standard features for a light to medium call volume. Stay in touch with others with its 2 lines/SIP accounts, enjoy crystal clear HD audio and utilize its dual-switched 10/100 mbps ports (with integrated PoE on the GXP1625) for a flexible deployment.

gxp1620/1625是一款功能丰富、简单易用的基础级ip电话，适用于中小型企业和soho办公通信。 这款基于Linux平台的话机支持2个SIP账号，2条通话线路，3个可自定义功能的软按键，高清语音和3方会议。

Thank you for purchasing Grandstream GXP1625/GXP1620/GXP1610. Make sure and acknowledge that you have read this manual before using GXP1620 and GXP1610. Need help? Do you have a question about the GXP1625 and is the answer not in the manual?

As all Grandstream IP phones do, the GXP1625 features state-of-the-art security encryption technology (SRTP and TLS). The GXP1625 supports a variety of automated provisioning options, including zero-configuration with Grandstream’s UCM series IP PBXs, encrypted XML files and TR-069, to make mass deployment extremely easy.