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Requirement title

Functionality

Importance

Implementation status

1

D8XX:PFK-mapping:BLF-XML:General-Functionality

On D8xx IP phones, any PFK (programmable function key - physical or virtual) can be assigned to a key type called "BLF-XML", and a key number, which corresponds to a SIP extension on another IP phone in the same VoIP environment. The following specific functionality is required:

Monitoring states of the configured SIP extension
Quick-dial to the configured SIP extension in idle state
Pick-up an incoming call to the configured SIP extension

Status


colour	Green
title	ESSENTIAL

Status


colour	Green
title	FULLY IMPLEMENTED

2

D8XX:PFK-mapping:BLF-XML:Configuration

The assignment shall be configured either manually via web user interface (WUI) and/or phone user interface (PUI), and automatically via auto-provisioning (HTTP/TFTP setting server), SRAPS, or remote management (TR-069).

Status


colour	Green
title	ESSENTIAL

Status


colour	Green
title	FULLY IMPLEMENTED

3

D8XX:PFK-mapping:BLF-XML:Subscription

The assignment shall initiate the SIP subscription process according to RFC 3265.

Status


colour	Green
title	ESSENTIAL

Status


colour	Green
title	FULLY IMPLEMENTED

4

D8XX:PFK-mapping:BLF-XML:Monitoring:Translation

Dialog states of the configured SIP extension shall be monitored, processed, and translated according to its direction.

UAS state	Dialog state (NOTIFY)	Direction	Translated state
idle mode	terminated/none of the below mentioned	-	idle
offhook	trying	initiator	offhook
incoming call ringing	early/proceeding	recipient	ringing
incoming call accepted	confirmed	recipient	talking
outgoing call ringing	early/proceeding	initiator	calling
outgoing call accepted	confirmed	initiator	talking

Status


colour	Green
title	ESSENTIAL

Status


colour	Yellow
title	PartLY IMPLEMENTED

45

D8XX:PFK-mapping:BLF-XML:Actions

When the PFK is pressed, the following actions are allowed according to the translated state

Translated state	idle	offhook	calling	ringing	talking
Allowed actions	Quick-dial	?	?	Pick-up	?

Status


colour	Green
title	ESSENTIAL

Status


colour	Yellow
title	PartLY IMPLEMENTED

56

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization

On D8xx series, during an active subscription, state changes of the monitored SIP extension shall be visualized on both, PFK LED and PFK label.

Status


colour	Green
title	ESSENTIAL

Status


colour	Green
title	FULLY IMPLEMENTED

67

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:LED

The PFK LED behaviour and colour shall be according to the translated state:

Translated state	idle	offhook	calling	ringing	talking
LED behaviour	off	on	on	blinking	on
LED colour	-	red	red	red	red

Status


colour	Green
title	ESSENTIAL

Status


colour	Yellow
title	PartLY IMPLEMENTED

78

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:Areas

The PFK label shall be composed of 3 areas:

(A) icon area	(B) name area
	(C) state area

Status


colour	Green
title	ESSENTIAL

Status


colour	Green
title	FULLY IMPLEMENTED

89

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:icon-area

The label icon area (A) shall contain an icon and colouraccording to the translated state

Translated state	idle	offhook	calling	ringing	talking
Icon (suggestion from fkey_icons)
Name	kIconTypeFkeyBlfIdle	kIconTypeFkeyBlfOffhook	kIconTypeFkeyBlfCalling	kIconTypeFkeyBlfRinging	kIconTypeFkeyBlfTalking
Colour	grey/white	red	red	yellow	red

Status


colour	Green
title	ESSENTIAL

Status


colour	Yellow
title	PartLY IMPLEMENTED

910

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:name-area

The label name area (B) shall contain a text derived from display name or number (configurable) according to translated state and direction. Depending on the available space, the text shall be scrolled.

Translated state	idle	offhook	calling	ringing	talking
Direction	-	initiator	initiator	recipient	initiator	recipient
Text (based on target)	local	local >	local > remote	remote > local	remote <> local	local <> remote
Text colour	white	white	white	white	white	white
Example (using number)	101	101 >	101 > 102	102 > 101	102 <> 101	101 <> 102
Example (using display name)	Alex	Alex >	Alex > Alice	Alice > Alex	Alice <> Alex	Alex <> Alice

Status


colour	Green
title	ESSENTIAL

Status


colour	Yellow
title	PartLY IMPLEMENTED

1011

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:state-area

The label state area (C) shall contain a text and colour representing the translated state

Translated state	idle	offhook	calling	ringing	talking
text	idle	offhook	calling	ringing	talking
colour	white	white	white	white	white

Status


colour	Green
title	ESSENTIAL

Status


colour	Yellow
title	PartLY IMPLEMENTED

Interactions and output

Software Requirement Specification (SRS)

Based on user interactions, the UAS sends SIP NOTIFY messages to the UAC. By means of XML definitions, the information in the SIP NOTIFY XML body are translated into variables, that are known to the UAC phone application and can be processed to show the desired results.

Result

Interactions

SIP NOTIFY XML

Interactions

SIP NOTIFY XML body

XML definition

Display

Result

UAS

UAS => UAC

UAC translation rules

Complete rule set

PFK LED & label (number)

PFK LED & label (display name)

goes offhook

dialog state => trying

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="..."
	state="full"
	entity="sip:101@...">
	<dialog id="..." >
		<state>trying</state>
	</dialog>
</dialog-info>

translate state => offhook

quick dial not allowed
pick-up not allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
	...
  	<level3
		translates_to="offhook">/dialog-info/dialog/state[.="trying"]
	</level3>
  	...
</NotifyParsingRules>
...
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

<ReplacementPlan>
    <key id="BLF-new">
        <general type="BLFdefinition" />
        <initialization>
            <variable name="subscr_proxy" value="10.110.22.35"/>
            <state value="off"/>
        </initialization>
        <subscription type="dialog" to="<sip:$(ui_argument)@$(subscr_proxy)>" for="$(ui_argument)@$(subscr_proxy)"/>
        <NotifyParsingRules type="applies">
            <level1 translates_to='OK'>/dialog-info[@entity="sip:$(ui_argument)@$(subscr_proxy)"]</level1>
        </NotifyParsingRules>
        <NotifyParsingRules type="state">
            <level1 translates_to="ringing">/dialog-info/dialog/state[.="early"]</level1>
            <level1-1 translates_to="calling">/dialog-info/dialog[@direction="initiator"]</level1-1>
            <level2 translates_to="ringing">/dialog-info/dialog/state[.="proceeding"]</level2>
            <level2-1 translates_to="calling">/dialog-info/dialog[@direction="initiator"]</level2-1>
            <level3 translates_to="offhook">/dialog-info/dialog/state[.="trying"]</level3>
            <level4 translates_to="talking">/dialog-info/dialog/state[.="confirmed"]</level4>
            <level5 translates_to="idle"/>
        </NotifyParsingRules>
        <NotifyParsingRules type="variable" id="call_id" state="ringing">
            <level1 fetch_attribute="call-id">/dialog-info/dialog[@call-id]</level1>
        </NotifyParsingRules>
        <NotifyParsingRules type="variable" id="remote_tag" state="ringing">
            <level1 fetch_attribute="remote-tag">/dialog-info/dialog[@remote-tag]</level1>
        </NotifyParsingRules>
        <NotifyParsingRules type="variable" id="local_tag" state="ringing">
            <level1 fetch_attribute="local-tag">/dialog-info/dialog[@local-tag]</level1>
        </NotifyParsingRules>
        <NotifyParsingRules type="variable" id="remote_uri" state="ringing">
            <level1 fetch_attribute="uri">/dialog-info/dialog/remote/target[@uri]</level1>
        </NotifyParsingRules>
        <action>
		 	<!-- Quick dial: depending in which states we want to allow this action -->
            <invite target="$(ui_argument)" when="on press" states="calling, talking, offhook, idle"/>
 		 	<!-- Pick up --> 
            <invite target="$(remote_name)<$(remote_uri)>" when="on press" state="ringing" request_uri="$(remote_uri)" replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
        </action>
    </key>
</ReplacementPlan>

🔴		101 >
		offhook

🔴		Alex >
		offhook

goes onhook

dialog state => terminated

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="..."
	state="full"
	entity="sip:101@...">
	<dialog id="..."
		direction='initiator'
		call-id='...'
		local-tag=""
		remote-tag="">
		<state>terminated</state>
		<local>
			<identity display="B">sip:101@...</identity>
			<target uri="sip:101@...;line=...">
				<param pname="x-line-id" pval="0" />
			</target>
		</local>
	</dialog>
</dialog-info>

translate state => idle

quick dial allowed
pick-up not allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
	...
  	<level5 translates_to="idle"/>
</NotifyParsingRules>
...
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

⚪️		101
		idle

⚪️		Alex
		idle

incoming call ringing

dialog state => early/proceeding

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="..."
	state="full" entity="...">
	<dialog
		id="..."
		direction='recipient'
		call-id='...'
		local-tag="..."
		remote-tag="...">
		<state>early</state>
		<local>
			<identity display="B">
				sip:101@...
			</identity>
			<target uri="sip:101@...;line=...">
				<param pname="x-line-id" pval="0" />
			</target>
		</local>
		<remote>
			<identity display="C">
				sip:102@...
			</identity>
			<target uri="sip:102@..."/>
		</remote>
	</dialog>
</dialog-info>

translate state => ringing

quick dial not allowed
pick-up allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
	<level1
		translates_to="ringing">/dialog-info/dialog/state[.="early"]
	</level1>
	...
	<level2
		translates_to="ringing">/dialog-info/dialog/state[.="proceeding"]
	</level2>
  ...
</NotifyParsingRules>
<NotifyParsingRules
	type="variable"
	id="call_id"
	state="ringing">
	<level1 fetch_attribute="call-id">/dialog-info/dialog[@call-id]</level1>
</NotifyParsingRules>
<NotifyParsingRules
	type="variable"
	id="remote_tag"
	state="ringing">
	<level1 fetch_attribute="remote-tag">/dialog-info/dialog[@remote-tag]</level1>
</NotifyParsingRules>
<NotifyParsingRules
	type="variable"
	id="local_tag"
	state="ringing">
	<level1 fetch_attribute="local-tag">/dialog-info/dialog[@local-tag]</level1>
</NotifyParsingRules>
<NotifyParsingRules
	type="variable"
	id="remote_uri"
	state="ringing">
	<level1 fetch_attribute="uri">/dialog-info/dialog/remote/target[@uri]</level1>
</NotifyParsingRules>
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

🟠		102 > 101
		ringing

🟠		Alice > Alex
		ringing

incoming call accepted

dialog state => confirmed

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="..."
	state="full"
	entity="sip:101@...">
	<dialog
		id="..."
		direction='recipient'
		call-id='...'
		local-tag="..."
		remote-tag="...">
		<state>confirmed</state>
		<local>
			<identity display="B">sip:101@...</identity>
			<target uri="sip:101@...;line=...">
				<param pname="x-line-id" pval="0" />
				<param pname="+sip.rendering" pval='yes' />
			</target>
		</local>
			<remote>
				<identity display="C">sip:102@...</identity>
				<target uri="sip:102@..."/>
			</remote>
	</dialog>
</dialog-info>

translate state => talking

quick dial not allowed
pick-up not allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
	...
	<level4
		translates_to="talking">/dialog-info/dialog/state[.="confirmed"]
	</level4>
</NotifyParsingRules>
...
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

🔴		102 <> 101
		talking

🔴		Alice <> Alex
		talking

Incoming call terminated

dialog state => terminated

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="8"
	state="full"
	entity="sip:101@...">
	<dialog id="..."
		direction='recipient'
		call-id='...'
		local-tag="..."
		remote-tag="...">
		<state>terminated</state>
		<local>
			<identity display="B">sip:101@...</identity>
			<target uri="sip:101@...;line=...">
				<param pname="x-line-id" pval="0" />
			</target>
		</local>
		<remote>
			<identity display="C">sip:102@...</identity>
			<target uri="sip:102@..."/>
		</remote>
	</dialog>
</dialog-info>

translate state => idle

quick dial allowed
pick-up not allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
  ...
  <level5 translates_to="idle"/>
</NotifyParsingRules>
... 
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

⚪️		101
		idle

⚪️		Alex
		idle

Outgoing call ringing

dialog state => early/proceeding

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="13"
	state="full"
	entity="sip:101@...">
	<dialog
		id="..."
		direction='initiator'
		call-id='...'
		local-tag="..."
		remote-tag="">
		<state>early</state>
		<local>
			<identity display="B">sip:101@...</identity>
			<target uri="sip:101@...;line=...">
				<param pname="x-line-id" pval="0" />
			</target>
		</local>
		<remote>
			<identity display="D">sip:103@...;user=phone</identity>
			<target uri="sip:103@...;user=phone"/>
		</remote>
	</dialog>
</dialog-info>

translate state => calling

quick dial not allowed
pick-up not allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
	<level1
		translates_to="ringing">/dialog-info/dialog/state[.="early"]
	</level1>
	<level1-1
		translates_to="calling">/dialog-info/dialog[@direction="initiator"]
	</level1-1>
	<level2
		translates_to="ringing">/dialog-info/dialog/state[.="proceeding"]
	</level2>
	<level2-1
		translates_to="calling">/dialog-info/dialog[@direction="initiator"]
	</level2-1>
</NotifyParsingRules>
...
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

🔴		101 > 103
		calling

🔴		Alex > Tita
		calling

Outgoing call accepted

dialog state => confirmed

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="..."
	state="full"
	entity="sip:101@...">
	<dialog
		id="..."
		direction='initiator'
		call-id='...'
		local-tag="..."
		remote-tag="...">
		<state>confirmed</state>
		<local>
			<identity display="B">sip:101@...</identity>
			<target uri="sip:101@...;line=...">
				<param pname="x-line-id" pval="0" />
				<param pname="+sip.rendering" pval='yes' />
			</target>
		</local>
		<remote>
			<identity display="D">sip:103@...</identity>
			<target uri="sip:103@..."/>
		</remote>
	</dialog>
</dialog-info>

translate state => talking

quick dial not allowed
pick-up not allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
	...
	<level4
		translates_to="talking">/dialog-info/dialog/state[.="confirmed"]
	</level4>
</NotifyParsingRules>
... 
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

🔴		101 <> 103
		talking

🔴		Alex <> Tita
		talking

Outgoing call terminated

dialog state => terminated

Code Block

language	xml
title	NOTIFY
linenumbers	true
collapse	true

NOTIFY
...
<?xml version="1.0"?>
<dialog-info
	xmlns="urn:ietf:params:xml:ns:dialog-info"
	version="..."
	state="full"
	entity="sip:101@...">
	<dialog
		id="..."
		direction='initiator'
		call-id='...'
		local-tag="..."
		remote-tag="...">
		<state>terminated</state>
		<local>
			<identity display="B">sip:101@...</identity>
			<target uri="sip:101@...;line=...">
				<param pname="x-line-id" pval="0" />
			</target>
		</local>
		<remote>
			<identity display="D">sip:103@...</identity>
			<target uri="sip:103@..."/>
		</remote>
	</dialog>
</dialog-info>

translate state => idle

quick dial allowed
pick-up not allowed

Code Block

language	xml
theme	Confluence
title	XML definition
linenumbers	true
collapse	true

...
<NotifyParsingRules type="state">
	...
  	<level5 translates_to="idle"/>
</NotifyParsingRules>
... 
<action>
	<invite target="$(subscr_uri)"
		when="on press"
		states="idle"/>
	<invite target="$(remote_uri)"
		when="on press"
		state="ringing"
		request_uri="$(remote_uri)"
		replaces="$(call_id);to-tag=$(remote_tag);from-tag=$(local_tag)"/>
</action>

⚪️		101
		idle

⚪️		Alex
		idle

...

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Versions Compared

Old Version 65

New Version 66

Key

D8XX:PFK-mapping:BLF-XML:General-Functionality

D8XX:PFK-mapping:BLF-XML:Configuration

D8XX:PFK-mapping:BLF-XML:Subscription

D8XX:PFK-mapping:BLF-XML:Monitoring:Translation

D8XX:PFK-mapping:BLF-XML:Actions

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:LED

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:Areas

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:icon-area

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:name-area

D8XX:PFK-mapping:BLF-XML:Monitoring:Visualization:Label:state-area

Interactions and output

Software Requirement Specification (SRS)