Archive for Knowledgebase

Recurring Conferences with Exceptions

Whether board meetings, daily virtual stand-ups, or routine operations calls, ZipDX customers often hold recurring conference calls. There are in fact three ways to schedule a conference call; via Outlook Calendar, Google Calendar or the ZipDX web portal. Each approach provides for recurring conferences. However, these existing tools didn’t answer every situation adequately, which left […]

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Q: What can I do if I’m having trouble connecting via web phone?

When the ZipDX Web Phone cannot connect to our service it presents an error message like the following: NotAllowedError: Permission denied Failure to connect. It may be blocked. Try to restart your browser. If using WiFi, a wired network connection may work better. In reality, the web browser doesn’t know why it can’t connect to […]

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Can my meeting invitations include a click-to-join link for mobile users?

When creating your Outlook or Google Calendar meeting invitation you can add information that will become a clickable link for participants joining by smart phone. Different smartphones (iPhone, Android) behave differently in this regard, and may depend on what application is being used to display the message (email, calendar, text messaging). iPhone iPhone is easiest. If […]

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What do I need to know to allow ZipDX traffic directly onto our network?

Data Center IP Address Ranges: IAD: 185.167.189.104 through .111 (185.167.189.104/29, netmask 255.255.255.248) LAX: 185.167.190.104 through .111 (185.167.190.104/29, netmask 255.255.255.248) LON: 109.123.74.138 SIN: 174.127.69.49 TCP/IP Ports SIP signaling: ports 5060-5070 (TCP & UDP) RTP media: ports 12000-21999 (RTP, TCP & UDP) DNS: port 53* NTP: port 123* HTTP: port 80* HTTPS: port 443* *These ports are […]

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Can a past conference recording be played back into a later conference?

Why Do This? To establish context it’s helpful to know why this capability was developed. Consider an investment firm that gives quarterly briefing to investors. This is often done live via conference call. In that case, everyone dials-in at the scheduled time and leadership makes their presentation. This has certain implications for team giving the briefing. They […]

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When Can I Join My Conference Call?

It’s a simple question, yet we hear is surprisingly often, so it bears examination. Exactly when can you join a ZipDX conference call? As with most things, the answer is simple, but there are a few variables that bear examination. It’s most common for ZipDX conferences to be be scheduled in advance. This is certainly […]

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Configuring the Web Phone for Relay Interpretation

While we refer to our linguistic capabilities  as “multilingual conferencing,” in truth most ZipDX conferences involving interpreters are bilingual, involving just two languages. This situation is readily addressed by a single interpreter, who need to only choose the direction of interpretation, for example; from EN-into-ES, or from ES-into-EN. When a conference involves three or more […]

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Can I play an announcement to participants as they join?

It can be necessary to play a prerecorded announcement to participants as they join a conference. Most typically this involves an official compliance warning. Such a message details the terms a participant accepts by joining the conference. There are several ways to play a prerecorded message as participants join the conferences. Using the “Custom Announcement” […]

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