VoIP FAQ

sometimes, why incoming calls from Europe fail to enter company IVR menu ? – DTMF tones are not being transmitted correctly by the original carrier or someone in between. Chances are, the international carrier is the problem. Like almost all carriers, in North America, we use RFC2833. Sometimes intenational carriers send it inband and the …

simple call blaster

create a csv file, which include all destination numbers, sample as follows on web page as follows, upload csv file click button “upload and Initiate calls”, csv file will be uploaded and asterisk dial automatically. while connected, play the “welcome” message, after, there is option to press 1 or 2, in this example, option 1 …

AMD tweak – 8 parameters

AMD – ANSWER MACHINE DETECTION https://www.voip-info.org/asterisk-cmd-amd/ AMD([|initialSilence][|greeting][|afterGreetingSilence][|totalAnalysisTime][|minimumWordLength][|betweenWordsSilence][|maximumNumberOfWords][|silenceThreshold]) << Example block — AMD: initialSilence [2500] greeting [1500] afterGreetingSilence [800] totalAnalysisTime [5000] minimumWordLength [100] betweenWordsSilence [50] maximumNumberOfWords [3] silenceThreshold [256] maximumWordLength [5000] << Example block from the log file, we know, 2500 is the default value of initialSilence, 2.5 second to tweak these parameters, for example: exten …

cisco spa303 remote provision

ultra viewer is used to replace team viewer. refer url for provision parameters the firmware must upgrade to spa50x-30x-7-5-2b.bin first, then it can further upgrade to higher version blf is a bit weird <Dictionary_Server_Script ua=”na”>serv=http://$url/;d0=English-US;x0=spa50x_30x_en_v756.xml; for download provision file, may need power cycle manually the phone the pbx software: http://www.mirtapbx.com/ (Italy)

VoIP Provider Referral Code

some referral code as follows, digital ocean, https://m.do.co/c/d8dfbe1c23a8 digital ocean, https://m.do.co/c/c4f28a57645e vultr, https://www.vultr.com/?ref=8548855 twilio, https://www.twilio.com/referral/dQTw2p voipms, N/A Brief intro of companies, vultr is a cloud hosting company, low as 2.5$ / month, support installation from iso Distro digitalocean is a cloud hosting company, low as 5$ / month twilio is a did / termination provider …