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VGroup.IT Solutions
通信系统

IP-PBX 与 VoIP 电话系统

企业 IP-PBX:分机、三语 IVR、呼叫转接、录音,以及老挝和泰国分支之间经 VPN 内部通话。

IP-PBX 与 VoIP 电话系统

现场常见问题

The old analog PBX cannot grow, spare parts are hard to find and it cannot ring anyone outside the office. So salespeople call customers from personal mobiles. There is no call record, and when they resign, customers keep calling their personal number.

Telephony over your network

An IP-PBX brings desk IP phones, softphones on mobiles and PCs, and outside lines into one system. Outside lines connect two ways: your existing lines through an FXO gateway (keep your numbers), or a SIP trunk where a Lao carrier offers one in your area. Branches linked by VPN or SD-WAN call each other on internal extensions at no call cost.

Features people use every day

  • IVR in three languages: "Press 1 for Lao, 2 for Thai, 3 for English"
  • Ring groups and queues for sales and service
  • Call recording for coaching and disputes (announce it in the IVR)
  • Softphones so sales and site staff answer the company number on their mobiles

The network voice needs

Choppy, broken audio is nearly always a network problem, not a phone problem. We put phones on a dedicated voice VLAN, mark QoS (DSCP EF) end to end through to the firewall, power handsets from PoE switches and put the IP-PBX and those switches on UPS. Otherwise, every power cut takes the whole building's phones down with it.

Tell us how many extensions, outside lines and branches you have, and we will design the dial plan and equipment list.

功能

Multilingual IVR

Lao/Thai/English voice menus with business-hours routing.

Mobile softphone

Make and take company-number calls anywhere with internet.

Call recording

Store and search recordings by number or date.

Multi-site trunking

Internal calls between Lao and Thai branches over VPN.

Call reports (CDR)

See unanswered calls and call volume by hour.

Hotel PMS integration

Wake-up calls, room status and call billing with supported PMSs.

设计与实施

  1. 1

    Survey extensions, outside lines and current call handling.

  2. 2

    Design the dial plan, IVR and inter-site trunking.

  3. 3

    Prepare the network: voice VLAN, QoS, PoE and UPS.

  4. 4

    Install the IP-PBX, gateways and handsets; move existing lines onto FXO ports.

  5. 5

    Train receptionists and users.

适用场景

  • Hotels needing in-room phones and wake-up calls.
  • Companies with a Vientiane office and branches in Thailand.
  • Mine sites linking office, plant and camp internally.
  • Hospitals needing paging and internal emergency numbers.

常见系统规模

Small Office

适用于: Up to 30 extensions

  • IP-PBX appliance and FXO gateway
  • IVR and ring groups
  • IP phones and softphones
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Business

适用于: 30–300 extensions, multi-site

  • Inter-site trunking over VPN/SD-WAN
  • Call recording and reports
  • Voice VLAN and QoS
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Hospitality

适用于: Hotels and resorts

  • Guest-room phones and wake-up calls
  • Integration with supported PMSs
  • Emergency extensions and paging
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常见问题

Can we keep our existing phone numbers?

Yes. Existing lines plug into an FXO gateway connected to the IP-PBX, so the numbers stay the same and customers notice nothing.

Do phones work during a power cut?

Yes, if the IP-PBX, gateways and PoE switches are on UPS. Each IP phone draws roughly 3–7W of PoE, and we include that in the UPS sizing.

Cloud PBX or on-premises PBX?

An on-premises PBX keeps internal calls working when the internet drops and connects analog lines easily. Cloud PBX suits scattered teams but goes silent when the internet does. For Lao offices with analog lines we usually recommend on-premises.

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通信系统

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我们会先询问一些细节,再给出初步设计方案。首次咨询免费,可用老挝语、泰语或英语,通过 WhatsApp 或 Facebook 主页联系。