o
optisun_engg

EnggUmair

@optisun_engg
5.0(10)
Pakistan
English, Urdu
About me
I have completed my engineering in a computer related feild. Have 5 years of experiance in VOIP feild. I have done CISCO certifications as well as other VOIP PBX Related courses. Now i want to spread my business internationally.... Read more

Skills

o
optisun_engg
EnggUmair
Offline • 
Average response time: 1 hour

See my services

VoIP and Telephony
I will configure your voip pbx 3cx, yeastar, and sip trunks
5.0(10)

10 Reviews
5.0

(10)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-5 out of 10 Reviews
Sort By
Most relevant
    G

    georgefifi

    MX

    Mexico

    5

    Umair did an exceptional job. I had a complex PBX + GSM gateway configuration, and he solved issues that others couldn’t. His knowledge of SIP, routing, and VoIP troubleshooting is truly professional.Communication was fast, clear, and friendly. He worked patiently, inspected packet captures, and configured...

    Up to $50

    Price

    3 days

    Duration

    gig

    VoIP and Telephony

    Helpful?
    Yes
    No
    U

    upnabove

    US

    United States

    5

    “Your problem-solving skills are on another level.”

    Up to $50

    Price

    6 days

    Duration

    gig

    VoIP and Telephony

    Helpful?
    Yes
    No
    A

    alessandrofli

    IT

    Italy

    5

    Very very good professionist!

    Up to $50

    Price

    3 days

    Duration

    gig

    VoIP and Telephony

    Helpful?
    Yes
    No
    I
    image-docs

    ishola_designer

    GB

    United Kingdom

    5

    my friend always give the best service

    Up to $50

    Price

    2 days

    Duration

    gig

    VoIP and Telephony

    Helpful?
    Yes
    No
    A
    image-docs

    amjedali1981

    SA

    Saudi Arabia

    5

    A very professional engineer who provided quick and efficient support in setting up the Yeastar PBX with dual trunk configuration and seamless call routing to our cloud-based call center. Above all, he demonstrates excellent communication skills, a positive attitude, and a kind personality — which makes...

    Up to $50

    Price

    1 day

    Duration

    gig

    VoIP and Telephony

    Helpful?
    Yes
    No