1.支持SIP，IAX2(可選)2.支持G711a/u，G729，G72315.3/6.3，3.呼叫保持，前轉(zhuǎn)，轉(zhuǎn)移，等待4.支持快速撥號，撥號映射，E.164撥號規(guī)則5.用戶指定鈴聲,callerID顯示,按鍵查詢IP地址4.jitter緩沖區(qū)，語音幀可調(diào)節(jié)5.用戶可以同時(shí)使用1個(gè)IAX2，2個(gè)SIP平臺6.支持以太網(wǎng)供電技術(shù),支持路由和橋接模式7.支持靜態(tài)/動(dòng)態(tài)ip地址,支持PPPoE8.設(shè)置方式：http，telnet，鍵盤，密碼分級管理9.支持FTP，HTTP，TFTP自動(dòng)升級,上傳，下載配置文件10.最多儲存4組配置,提供可靠的安全模式11.最多存儲80條通話記錄，100個(gè)電話號碼SupportSIP Support2SIPservers serverrunningatthesametime.Support3settingsstorage,switchbykeypad.SupportmajorG7.xxx(711a/u,723,729 )CODEC.*CallHold,CallForward,CallTransfer.*E.164dialplanandcustomizeddialrules.*Configurablejitterbuffersize.*80groupsincoming outgoingcallsmemoryreviewed、stored.*PhoneBookwith100groupsmemory.*Userdefineringtone,CallIDdisplay.*Static/DynamicWAN-IP-Addressing,SupportPPPoE.*Safemodeprovidereliability.*SupportPOE(PowerOverEthernet).*Adjustableuserpasswordandsuperpassword.*Configurefiledownload,uploadandupdate/upgradebyFTP,HTTPandTFTP.