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SIP provider settings

Flowroute SIP trunk setup

How to connect Flowroute to your PBX: SIP server, port, login, codecs, number format and a ready pjsip.conf for Asterisk, a FreeSWITCH gateway and the fields for 3CX. The generator fills in your details.

SIP serversip.flowroute.com
Port5060, UDP or TCP, IPv4 only
AuthenticationDigest credentials, or IP authentication (recommended, needs a static IP) with the 8-digit tech prefix
CodecsG.711 µ-law, A-law, G.729a
DTMFRFC 4733, payload 101
Number formatE.164 for every call, including domestic; the + is optional
Provider guideflowroute.ladesk.com

With IP authentication, put the tech prefix before the number in the Request-URI: sip:12345678*+12066418000@sip.flowroute.com.

Generator with Flowroute settings

Provider fields are filled in: add your login, password and number.

Provider

Numbers and routing

Media and NAT

The config is built in your browser; the password is not sent anywhere.

Example pjsip.conf for Flowroute

; pjsip.conf — trunk "flowroute" generated by prefixkit.com
; Reload: asterisk -rx "pjsip reload"   Check: pjsip show registrations / pjsip show endpoint flowroute

[transport-udp]
type=transport
protocol=udp
bind=0.0.0.0:5060

[flowroute-auth]
type=auth
auth_type=userpass
username=username
password=PASSWORD

[flowroute]
type=aor
contact=sip:sip.flowroute.com:5060
qualify_frequency=60

[flowroute]
type=endpoint
transport=transport-udp
context=from-flowroute
disallow=all
allow=ulaw,alaw,g729
aors=flowroute
outbound_auth=flowroute-auth
from_user=username
direct_media=no
rtp_symmetric=yes
force_rport=yes
rewrite_contact=yes
dtmf_mode=rfc4733

[flowroute]
type=identify
endpoint=flowroute
match=sip.flowroute.com

FreeSWITCH gateway

<!-- conf/sip_profiles/external/flowroute.xml — reload: fs_cli -x "sofia profile external rescan" -->
<include>
  <gateway name="flowroute">
    <param name="username" value="username"/>
    <param name="password" value="PASSWORD"/>
    <param name="realm" value="sip.flowroute.com"/>
    <param name="proxy" value="sip.flowroute.com:5060"/>
    <param name="register" value="false"/>
    <param name="from-user" value="username"/>
    <param name="caller-id-in-from" value="true"/>
    <param name="ping" value="60"/>
  </gateway>
</include>

Flowroute in 3CX, FreePBX, Yeastar and other web-managed PBXs

Trunk typeGeneric SIP trunk, authentication without registration
Registrar / SIP server / Hostsip.flowroute.com
Port5060 UDP
Auth ID / Usernamethe login from your account (tech prefix / username)
CodecsG.711 µ-law, G.711 A-law, G.729
DTMFRFC 2833 / 4733

If it does not work

Check whether the provider server answers: SIP check. Read a registration or call log: SIP log analyzer. No audio: NAT test.

Other providers

Zadarma · MTT Business · Telphin · SIPNET · Mango Office · Twilio · Telnyx · DIDWW · VoIP.ms · Plivo · sipgate

Settings come from the provider’s guides and may change; check your account. If something is out of date, tell us through the feedback form.

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